Publications Christian F. ROOS

2020

Preprints

  • M. I. Hussain, D. Heinrich, M. Guevara-Bertsch, E. Torrontegui, J. J. Garcia-Ripoll, C. F. Roos, R. Blatt Multi-GHz repetition rate, multi-watt average power, ultraviolet laser pulses for fast trapped-ion entanglement operations arXiv:2007.03404 (ID: 720517)
  • M. K. Joshi, A. Fabre, C. Maier, T. Brydges, D. Kiesenhofer, H. Hainzer, R. Blatt, C. F. Roos Polarization-gradient cooling of 1D and 2D ion Coulomb crystals arXiv:2006.15104 (ID: 720512)

Articles

  • M. K. Joshi, A. Elben, B. Vermersch, T. Brydges, C. Maier, P. Zoller, R. Blatt, C. F. Roos Quantum information scrambling in a trapped-ion quantum simulator with tunable range interactions Phys. Rev. Lett. 124, 240505 (2020). (ID: 720436)
  • A. Elben, B. Vermersch, R. van Bijnen, C. Kokail, T. Brydges, C. Maier, M. K. Joshi, R. Blatt, C. F. Roos, P. Zoller Cross-Platform Verification of Intermediate Scale Quantum Devices Phys. Rev. Lett. 124, 10504 (2020). (ID: 720357)

2019

Articles

  • D. Heinrich, M. Guggemos, M. Guevara-Bertsch, M. I. Hussain, C. F. Roos, R. Blatt Ultrafast coherent excitation of a Ca+ ion arXiv:1812.08537 (ID: 720108)
  • C. Kokail, C. Maier, R. van Bijnen, T. Brydges, M. K. Joshi, P. Jurcevic, C. A. Muschik, P. Silvi, R. Blatt, C. F. Roos, P. Zoller Self-verifying variational quantum simulation of lattice models Nature 569, 360 (2019). (ID: 720076)
  • A. Elben, B. Vermersch, C. F. Roos, P. Zoller Statistical correlations between locally randomized measurements: a toolbox for probing entanglement in many-body quantum states Phys. Rev. A 99, 52323 (2019). (ID: 720100)
  • M. Guggemos, M. Guevara-Bertsch, D. Heinrich, Ó. A. Herrera, Y. Colombe, R. Blatt, C. F. Roos Frequency measurement of the 1S0,F=5/2 to 3P1,F=7/2 transition of 27Al+ via quantum logic spectroscopy with 40Ca+ New J. Phys. 21, 103003 (2019). (ID: 720264)
  • T. Brydges, A. Elben, P. Jurcevic, B. Vermersch, C. Maier, B. P. Lanyon, P. Zoller, R. Blatt, C. F. Roos Probing Renyi entanglement entropy via randomized measurements Science 364, 260 (2019). (ID: 720034)
  • C. Maier, T. Brydges, P. Jurcevic, N. Trautmann, C. Hempel, B. P. Lanyon, P. Hauke, R. Blatt, C. F. Roos Environment-assisted quantum transport in a 10-qubit network Phys. Rev. Lett. 122, 50501 (2019). (ID: 720065)

Invited Talk

  • C. F. Roos Investigating a many-body quantum system with random measurements Seminar talk at Weizmann Institute of Science (Rehovot) , (2019). (ID: 720292)

Talks

  • C. F. Roos Quantum simulations with trapped ions BeyondC Kick-off meeting (University of Vienna, Vienna, 2019-04-11) , (2019). (ID: 720270)
  • C. F. Roos Development of a programmable quantum simulator based on trapped ions PASQUANS Kick-off meeting (MPQ Garching, 2019-01-29) , (2019). (ID: 720269)

2018

Articles

  • C. Hempel, C. Maier, J. Romero, J. McClean, T. Monz, H. Shen, P. Jurcevic, B. P. Lanyon, P. Love, R. Babbush, A. Aspuru-Guzik, R. Blatt, C. F. Roos Quantum chemistry calculations on a trapped-ion quantum simulator Phys. Rev. X 8, 31022 (2018). (ID: 720003)
  • N. Friis, O. Marty, C. Maier, C. Hempel, M. Holzapfel, P. Jurcevic, M. Plenio, M. Huber, C. F. Roos, R. Blatt, B. P. Lanyon Observation of Entangled States of a Fully Controlled 20-Qubit System Phys. Rev. X 8, 21012 (2018). (ID: 720009)

Invited Talks

  • C. F. Roos Variational quantum simulation with a twenty-ion string 5th European Conference on Trapped Ions (Rehovot, 2018-11-17) , (2018). (ID: 720091)
  • C. F. Roos Entanglement creation and characterization in a trapped-ion quantum simulator Seminar talk (Collège de France, Paris, 2018-05-16) , (2018). (ID: 720026)
  • C. F. Roos Creation and detection of entanglement in trapped-ion experiments UQUAM Workshop on Entanglement (IQOQI Innsbruck, 2018-01-23) , (2018). (ID: 719969)

Lectures

  • C. F. Roos Quantum physics with trapped ions Trento - Innsbruck Quantum Information Tour (Innsbruck, 2018-04-11) , (2018). (ID: 720271)
  • C. F. Roos Four lectures on "Quantum information processing with trapped ions" Winter School on Trapped Charged Particles (Les Houches, 2018-01-08) , (2018). (ID: 719967)

2017

Articles

  • B. P. Lanyon, C. Maier, M. Holzapfel, T. Baumgratz, C. Hempel, P. Jurcevic, I. Dhand, A. S. Buyskik, A. J. Daley, M. Cramer, M. Plenio, R. Blatt, C. F. Roos Efficient tomography of a quantum many-body system Nature Phys. 13, 1158 (2017). (ID: 719716)
  • P. Jurcevic, H. Shen, P. Hauke, C. Maier, T. Brydges, C. Hempel, B. P. Lanyon, M. Heyl, R. Blatt, C. F. Roos Direct observation of dynamical quantum phase transitions in an interacting many-body system Phys. Rev. Lett. 119, 80501 (2017). (ID: 719714)
  • C. F. Roos, A. Alberti, D. Meschede, P. Hauke, H. Häffner Revealing quantum statistics with a pair of distant atoms Phys. Rev. Lett. 119, 160401 (2017). (ID: 719812)

Colloquium

  • C. F. Roos Analogue simulators of spin models with trapped ions Center for Quantum Dynamics Colloquium (Heidelberg, 2017-05-03) , (2017). (ID: 719791)

Invited Talks

  • C. F. Roos Trapped ions as analog quantum simulators of spin models Gordon Conference "Atomic Physics" (Newport, 2017-06-11) , (2017). (ID: 719811)
  • C. F. Roos Simulating Ising spin models with trapped ions Annual INO Symposium (Trento, 2017-02-09) , (2017). (ID: 719752)
  • C. F. Roos Trapped-ion analog quantum simulators of spin models WE-Heraeus-Seminar: Scalable Architectures for Quantum Simulation (Bad Honnef) , (2017). (ID: 719749)

Seminar Talk

  • C. F. Roos Lehrerfortbildung: Laser und ihre Anwendungen (IQOQI Innsbruck) , (2017). (ID: 719732)

Talk

  • C. F. Roos Quantum physics with trapped ions TIQIT: Trento-Innsbruck Quantum Information Tour (Innsbruck, 2017-03-01) , (2017). (ID: 719765)

2016

Article

  • R. Lechner, C. Maier, C. Hempel, P. Jurcevic, B. P. Lanyon, T. Monz, M. Brownnutt, R. Blatt, C. F. Roos Electromagnetically-induced-transparency ground-state cooling of long ion strings Phys. Rev. A 93, 53401 (2016). (ID: 719536)

Invited Talks

  • C. F. Roos Characterizing the quantum dynamics of ion strings with Ising interactions European Conference on Trapped Ions (Arosa, 2016-08-29) , (2016). (ID: 719647)
  • C. F. Roos Characterization of non-equilibrium many-body quantum states in trapped ion crystals Conference on Long-Range-Interacting Many Body Systems: from Atomic to Astrophysical Scales (Trieste, 2016-07-24) , (2016). (ID: 719626)
  • C. F. Roos Quantum simulations and quantum logic spectroscopy with trapped ions SPIE Photonics Europe (Brussels, 2016-04-03) , (2016). (ID: 719542)

2015

Articles

  • M. Guggemos, D. Heinrich, Ó. A. Herrera, R. Blatt, C. F. Roos Sympathetic cooling and detection of a hot trapped ion by a cold one New J. Phys. 17, 103001 (2015). (ID: 719305)
  • M. Hettrich, T. Ruster, H. Kaufmann, C. F. Roos, C. T. Schmiegelow, F. Schmidt-Kaler, U. Poschinger Measurement of dipole matrix elements with a single trapped ion Phys. Rev. Lett. 115, 143003 (2015). (ID: 719242)
  • P. Jurcevic, P. Hauke, C. Maier, C. Hempel, B. P. Lanyon, R. Blatt, C. F. Roos Spectroscopy of interacting quasiparticles in trapped ions Phys. Rev. Lett. 115, 100501 (2015). (ID: 719241)

Invited Talks

  • C. F. Roos How to turn a string of trapped ions into an interacting quantum many-body system Symposium Experimentalphysik (University of Ulm, 2015-08-05) , (2015). (ID: 719311)
  • C. F. Roos Interacting quasiparticles in a trapped-ion quantum many-body system Quantum Many-Body Systems Far from Equilibrium (Stellenbosch, 2015-03-09) , (2015). (ID: 719205)

Lectures

  • C. F. Roos How to turn a string of trapped ions into a quantum many-body system Winter school on Non-Equilibrium Quantum Systems (Obergurgl, 2015-04-07) , (2015). (ID: 719215)
  • C. F. Roos Four lectures on "Quantum information processing with trapped ions" Winter school on Physics with Trapped Charged Particles (Les Houches, 2015-01-19) , (2015). (ID: 719171)

Talk

  • C. F. Roos Quantum simulations and quantum metrology with trapped ions SIQS Progress meeting (Barcelona, 2015-03-18) , (2015). (ID: 719220)

2014

Articles

  • P. Jurcevic, B. P. Lanyon, P. Hauke, C. Hempel, P. Zoller, R. Blatt, C. F. Roos Quasiparticle engineering and entanglement propagation in a quantum many-body system Nature 511, 202 (2014). (ID: 718717)
  • B. P. Lanyon, M. Zwerger, P. Jurcevic, C. Hempel, W. Dür, H. J. Briegel, R. Blatt, C. F. Roos Experimental Violation of Multipartite Bell Inequalities with Trapped Ions Phys. Rev. Lett. 112, 100403 (2014). (ID: 718697)

Colloquium

  • C. F. Roos Investigating the dynamics of a quantum many-body system of trapped ions Colloquium of the SFB/TR 49 Condensed Matter Systems with Variable Many-Body Interactions (University of Mainz, 2014-06-12) , (2014). (ID: 718943)

Invited Talks

  • C. F. Roos Interacting quasiparticles in a trapped-ion quantum many-body system International Conference on Trapped Charged Particles and Fundamental Physics (Takamatsu, 2014-12-01) , (2014). (ID: 719081)
  • C. F. Roos How to turn a string of trapped ions into an interacting quantum many body system CoQuS Colloquium (Vienna, 2014-11-17) , (2014). (ID: 719050)
  • C. F. Roos Engineering and spectroscopy of quasi-particles in a many-body system of trapped ions Nonlinear Spectroscopy meets Quantum Optics (FRIAS, Freiburg, 2014-10-08) , (2014). (ID: 719022)
  • C. F. Roos Engineering and spectroscopy of quasi-particles in a many-body system of trapped ions Workshop on long-range interactions in quantum systems (Institut d'Optique, Palaiseau, 2014-09-24) , (2014). (ID: 719010)
  • C. F. Roos Entanglement propagation in long-range Ising spin chains Quantum Optics (Obergurgl, 2014-02-23) , (2014). (ID: 718849)

Talks

  • C. F. Roos Metrology with entangled states of ions EMPR QESOCAS meeting (Observatoire de Paris, 2014-09-12) , (2014). (ID: 719009)
  • C. F. Roos Quantum simulation and spectroscopy experiments with trapped ions SIQS Progress Report Meeting (Vienna, 2014-01-28) , (2014). (ID: 718760)

2013

Articles

  • P. Schindler, D. Nigg, T. Monz, J. T. Barreiro, E. A. Martínez, S. Wang, S. Quint, M. F. Brandl, V. Nebendahl, C. F. Roos, M. Chwalla, M. Hennrich, R. Blatt A quantum information processor with trapped ions New J. Phys. 15, 123012 (2013). (ID: 718676)
  • B. P. Lanyon, P. Jurcevic, M. Zwerger, C. Hempel, E. A. Martínez, W. Dür, H. J. Briegel, R. Blatt, C. F. Roos Measurement-based quantum computation with trapped ions Phys. Rev. Lett. 111, 210501 (2013). (ID: 718582)
  • B. P. Lanyon, P. Jurcevic, C. Hempel, M. Gessner, V. Vedral, R. Blatt, C. F. Roos Experimental generation of quantum discord via noisy processes Phys. Rev. Lett. 111, 100504 (2013). (ID: 718585)
  • C. Hempel, B. P. Lanyon, P. Jurcevic, R. Gerritsma, R. Blatt, C. F. Roos Entanglement-enhanced detection of single-photon scattering events Nature Photon. 7, 633 (2013). (ID: 718575)
  • J. Schachenmayer, B. P. Lanyon, C. F. Roos, A. J. Daley Entanglement growth in quench dynamics with variable range interactions Phys. Rev. X 3, 031015 (2013). (ID: 718525)

Colloquium

  • C. F. Roos Using trapped ions for processing quantum information Physics colloquium at the University of Amsterdam (Amsterdam, 2013-02-04) , (2013). (ID: 718445)

Invited Talks

  • C. F. Roos Simulating interacting spins with trapped ions Workshop on Quantum Simulations (Benasque, 2013-09-29) , (2013). (ID: 718611)
  • C. F. Roos Quantum simulations with trapped ions 11th European Conference on Atoms, Molecules and Photons (ECAMP) (Aarhus, 2013-06-24) , (2013). (ID: 718544)
  • C. F. Roos Schrödinger cat state spectroscopy with trapped ions International Conference on Laser Spectroscopy (ICOLS) (Berkeley, 2013-06-09) , (2013). (ID: 718536)
  • C. F. Roos Quantum simulations with trapped ions International Quantum Electronics Conference (Munich, 2013-05-12) , (2013). (ID: 718511)
  • C. F. Roos Using trapped ions for processing quantum information Symposium on Modern Research in Experimental Physics (Würzburg, 2013-04-22) , (2013). (ID: 718499)
  • C. F. Roos Cat state spectroscopy with trapped ions 15th Southwest Quantum Information and Technology Workshop (Santa Barbara, 2013-02-21) , (2013). (ID: 718444)

Lecture

  • C. F. Roos Quantum information processing with trapped ions Fundamentals and Applications of Ultra-cold Matter (Visselhövede, 2013-09-16) , (2013). (ID: 718599)

Talk

  • C. F. Roos Quantum metrology with entangled states EMPR kick-off meeting (Observatoire de Paris, Paris, 2013-11-04) , (2013). (ID: 718641)

2012

Articles

Invited Talks

  • C. F. Roos Geometric phases for quantum logic spectroscopy with trapped ions Quantum technologies: taking concepts through to implementations (London, 2012-12-17) , (2012). (ID: 718334)
  • C. F. Roos Engineering coherent and dissipative dynamics in strings of trapped ions Workshop sur Information Quantique, Fondements & Applications (Grenoble, 2012-11-28) , (2012). (ID: 718289)
  • C. F. Roos Quantum simulation and quantum logic spectroscopy with trapped ions Seminar talk at the AMO seminar of the Department of Physics (Cambridge, 2012-10-29) , (2012). (ID: 718261)
  • C. F. Roos Digital quantum simulation and creation of large-scale entanglement in trapped-ion experiments Workshop on Quantum Simulations (Bilbao, 2012-10-22) , (2012). (ID: 718247)
  • C. F. Roos Schrödinger cat state spectroscopy with trapped ions International Conference on Quantum Communication, Measurement and Computing (QCMC 2012) (Vienna, 2012-07-30) , (2012). (ID: 718174)
  • C. F. Roos Geometric phases for quantum logic spectroscopy Quantum Systems and Technology (Ascona, 2012-06-17) , (2012). (ID: 718110)
  • C. F. Roos Spectroscopy with coupled quantum systems Workshop on Quantum Information and Quantum Dynamics In Ion Traps (Tel Aviv, 2012-03-25) , (2012). (ID: 718029)
  • C. F. Roos Quantum simulations with trapped ions Ultracold Matter Meeting (Banff, Canada, 2012-02-15) , (2012). (ID: 717992)

Lectures

  • C. F. Roos Lecture 1: "Quantum information with trapped ions" Winter School on Physics with Trapped Charged Particles (Les Houches, 2012-01-09) , (2012). (ID: 717891)
  • C. F. Roos Lecture 3: "Multifaceted Entanglement" Winter School on Physics with Trapped Charged Particles (Les Houches, 2012-01-09) , (2012). (ID: 717910)
  • C. F. Roos Lecture 2: "Quantum simulation with trapped ions" Winter School on Physics with Trapped Charged Particles (Les Houches, 2012-01-09) , (2012). (ID: 717909)

Poster

  • C. F. Roos Quantum logic spectroscopy with Schrödinger cat states European Conference on Trapped Ions (Obergurgl, Austria, 2012-09-10) , (2012). (ID: 718214)

Talks

  • C. F. Roos Presentation of the subproject SP1 'Entangling gates and quantum processors' of the integrating project AQUTE Cluster review meeting of the FP7 integrating projects AQUTE,Q-ESSENCE, and SOLID (Bingen, 2012-04-18) , (2012). (ID: 718055)
  • C. Hempel, B. P. Lanyon, R. Gerritsma, P. Jurcevic, F. Zähringer, R. Blatt, C. F. Roos Detecting the single photon recoil of a single ion DPG Spring Meeting of the Section AMOP (University of Stuttgart, 2012-03-12) , (2012). (ID: 718038)

2011

Articles

  • J. Casanova, L. Lamata, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll, E. Solano Quantum simulation of quantum field theories in trapped ions Phys. Rev. Lett. 107, 260501 (2011). (ID: 717840)
  • J. Casanova, C. Sabin, J. Leon, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll, E. Solano Quantum simulation of the Majorana equation and unphysical operations Phys. Rev. X 1, 021018 (2011). (ID: 717833)
  • L. Lamata, J. Casanova, R. Gerritsma, C. F. Roos, J. J. García-Ripoll, E. Solano Relativistic quantum mechanics with trapped ions New J. Phys. 13, 095003 (2011). (ID: 717766)
  • B. P. Lanyon, C. Hempel, D. Nigg, M. Müller, R. Gerritsma, F. Zähringer, P. Schindler, J. T. Barreiro, M. Rambach, G. Kirchmair, M. Hennrich, P. Zoller, R. Blatt, C. F. Roos Universal Digital Quantum Simulation with Trapped Ions Science 334, 57 (2011). (ID: 717768)
  • M. Müller, K. Hammerer, Y. Zhou, C. F. Roos, P. Zoller Simulating open quantum systems: from many-body interactions to stabilizer pumping New J. Phys. 13, 085007 (2011). (ID: 717750)
  • J. T. Barreiro, M. Müller, P. Schindler, D. Nigg, T. Monz, M. Chwalla, M. Hennrich, C. F. Roos, P. Zoller, R. Blatt An open-system quantum simulator with trapped ions Nature 470, 491 (2011). (ID: 717617)
  • R. Gerritsma, B. P. Lanyon, G. Kirchmair, F. Zähringer, C. Hempel, J. Casanova, J. J. García-Ripoll, E. Solano, R. Blatt, C. F. Roos Quantum simulation of the Klein paradox with trapped ions Phys. Rev. Lett. 106, 060503 (2011). (ID: 717611)

Conference

  • E. Solano, J. J. García-Ripoll, C. F. Roos Quantum simulations Workshop on Quantum Simulations (Benasque, 2011-02-28) , (2011). (ID: 717911)

Invited Talks

  • C. F. Roos Simulating quantum physics with trapped ions Seminar talk at IRSAMC (Institut de Recherche sur les Systèmes Atomiques et Moléculaires Complexes) (Toulouse, 2011-10-17) , (2011). (ID: 717777)
  • C. F. Roos Entangling interactions for quantum simulations with trapped ions Engineering and control of quantum systems (Dresden, Germany, 2011-10-10) , (2011). (ID: 717774)
  • C. F. Roos Quantum information processing with trapped ions Summer School on Quantum Information and Coherence (Glasgow, 2011-07-28) , (2011). (ID: 717749)
  • C. F. Roos Präzisionsspektroskopie mit verschränkten Ionen (Institut für Physik, Mainz, Germany, 2011-07-30) , (2011). (ID: 717711)
  • C. F. Roos Quantum physics with trapped ions Optique Marseille 2011 (Marseille, France, 2011-07-04) , (2011). (ID: 717710)
  • C. F. Roos Towards quantum simulations with trapped ions QION 11 workshop (Madrid, 2011-04-25) , (2011). (ID: 717670)

Posters

  • M. Chwalla, J. T. Barreiro, M. Hennrich, T. Monz, D. Nigg, C. F. Roos, R. Blatt Precision spectroscopy with entangled states ESA Workshop on Optical Clocks (Trani, Italy, 2011-10-24) , (2011). (ID: 717912)
  • C. F. Roos Digital quantum simulations with trapped ions IARPA review meeting on multi-qubit coherent operations (Austin, Texas, USA, 2011-06-06) , (2011). (ID: 717694)

Proceeding

  • C. F. Roos, R. Gerritsma, G. Kirchmair, F. Zähringer, E. Solano, R. Blatt Quantum simulation of relativistic quantum physics with trapped ions 22nd International Conference on Atomic Physics (Cairns, Australia, 2010-07-25) J. Phys. Conf. Ser. 264, 012020 (2011). (ID: 717471)

Seminar Talk

  • C. F. Roos Quantum simulations with trapped ions: analog vs digital. Seminar of the Controlled Quantum Dynamics group, Institute for Theoretical Physics (Ulm, 2011-03-14) , (2011). (ID: 717648)

Talks

  • C. F. Roos Multi-qubit coherent operations: Recent experimental results IARPA review meeting on multi-qubit coherent operations (Austin, Texas, 2011-06-06) , (2011). (ID: 717693)
  • C. F. Roos Presentation of the subproject SP1 'Entangling gates and quantum processors' of the integrating project AQUTE Cluster review meeting of the FP7 integrating projects AQUTE,Q-ESSENCE, and SOLID (Warsaw, 2011-04-14) , (2011). (ID: 717665)
  • C. F. Roos Quantum simulation with trapped ions (Instituto de Física Fundamental, Madrid, Spain, 2011-03-07) , (2011). (ID: 717646)
  • C. F. Roos Quantenmessungen mit Ionenkristallen Austrian Academy of Sciences (Vienna, 2011-02-16) , (2011). (ID: 717649)

2010

Articles

  • J. T. Barreiro, P. Schindler, O. Gühne, T. Monz, M. Chwalla, C. F. Roos, M. Hennrich, R. Blatt Experimental multiparticle entanglement dynamics induced by decoherence Nature Phys. 6, 943 (2010). (ID: 717355)
  • J. Casanova, J. J. García-Ripoll, R. Gerritsma, C. F. Roos, E. Solano Klein tunneling and Dirac potentials in trapped ions Phys. Rev. A 82, 020101(R) (2010). (ID: 717386)
  • J. Casanova, G. Romero, I. Lizuain, J. C. Retamal, C. F. Roos, J. G. Muga, E. Solano Short-time-interaction quantum measurement through an incoherent mediator Phys. Rev. A 81, 062126 (2010). (ID: 717259)
  • F. Zähringer, G. Kirchmair, R. Gerritsma, E. Solano, R. Blatt, C. F. Roos Realization of a Quantum Walk with One and Two Trapped Ions Phys. Rev. Lett. 104, 100503 (2010). (ID: 717148)
  • O. Gühne, M. Kleinmann, A. Cabello, J. Larson, G. Kirchmair, F. Zähringer, R. Gerritsma, C. F. Roos Compatibility and noncontextuality for sequential measurements Phys. Rev. A 81, 022121 (2010). (ID: 717143)
  • R. Gerritsma, G. Kirchmair, F. Zähringer, E. Solano, R. Blatt, C. F. Roos Quantum simulation of the Dirac equation Nature 463, 71 (2010). (ID: 716977)

Colloquia

  • C. F. Roos Quantum measurements with entangled ions Physics colloquium of the faculty for mathematics, physics and computer science (University of Innsbruck, 2010-11-09) , (2010). (ID: 717335)
  • C. F. Roos Gedankenexperimente wahr gemacht: Quantenphysik mit Ionenkristallen Kolloquium (Universität des Saarlands, Saarbrücken, Germany, 2010-04-29) , (2010). (ID: 717206)

Invited Talks

  • C. F. Roos Towards quantum simulations with trapped ions Seminar of the MIT-Harvard Center for Ultracold Atoms (Harvard University, Cambridge, USA, 2010-10-19) , (2010). (ID: 717323)
  • C. F. Roos Quantum simulations with trapped ions 22nd International Conference on Atomic Physics (ICAP 2010) (Cairns, Australia, 2010-07-25) , (2010). (ID: 717281)
  • C. F. Roos Entangling interactions for quantum measurements and state engineering of trapped ions 10th International Conference on Quantum Communication, Measurement and Computation (QCMC 2010) (Brisbane, Australia, 2010-07-19) , (2010). (ID: 717272)
  • C. F. Roos Quantum gates and quantum simulations with strings of trapped ions Colloque commun de la division de Physique Atomique et Moléculaire et Optique de la Societé Francaise de Physique et des Journées de Spectroscopie Moléculaire (Orsay, France, 2010-06-29) , (2010). (ID: 717266)
  • C. F. Roos State-independent test of quantum contextuality Advances in Quantum Theory (Växjö, Sweden, 2010-06-13) , (2010). (ID: 717246)
  • C. F. Roos Quantum simulations with trapped ions: Engineering interactions and measurements QUANTUM seminar of the physics department (University of Mainz, Mainz Germany, 2010-05-27) , (2010). (ID: 717226)
  • C. F. Roos High-fidelity quantum gates and a quantum simulation of the Dirac equation Trapped Charged Particles and Fundamental Physics V (Saariselkä, Finland, 2010-04-12) , (2010). (ID: 717196)
  • C. F. Roos Entangling interactions for quantum measurements with trapped ions Quantum Optics (Obergurgl, Austria, 2010-02-22) , (2010). (ID: 717142)

Posters

  • C. F. Roos, J. T. Barreiro Experimental multiparticle entanglement dynamics induced by decoherence 22nd International Conference on Atomic Physics (ICAP 2010) (Cairns, Australia, 2010-07-25) , (2010). (ID: 717282)
  • C. F. Roos, J. T. Barreiro Experimental multiparticle entanglement dynamics induced by decoherence 10th International Conference on Quantum Communication, Measurement and Computation (QCMC 2010) (Brisbane, Australia, 2010-07-19) , (2010). (ID: 717273)

Seminar Talk

  • C. F. Roos Quantum physics with trapped ions:How to entangle a pair of ions COQUIT workshop: Quantum devices with limited control (IQOQI Innsbruck, 2010-01-28) , (2010). (ID: 717118)

Talks

  • R. Blatt, C. F. Roos, F. Schmidt-Kaler, H. Häffner Scalable quantum information processing (SQIP) with trapped ions ARO/NSA/IARPA Quantum Computing, Quantum Algorithms & Multi-Qubit Coherent Operations (MQCO) Program Review (Cincinnati, USA, 2010-08-16) , (2010). (ID: 717293)
  • C. F. Roos Quantum information processing with trapped ions SFB School: Introductory course on quantum information and quantum gases (Innsbruck, 2010-07-06) , (2010). (ID: 717269)
  • C. F. Roos Quantum simulation of the Dirac equation DPG spring meeting (Hannover, Germany, 2010-03-08) , (2010). (ID: 717149)
  • C. F. Roos Elementary quantum algorithms: Presentation of subproject 3 of the integrated project SCALA Final review meeting of FP7 integrated project SCALA (Palaiseau, France, 2010-03-04) , (2010). (ID: 717145)

2009

Articles

  • T. Monz, K. Kim, A. Villar, P. Schindler, M. Chwalla, M. Riebe, C. F. Roos, H. Häffner, W. Hänsel, M. Hennrich, R. Blatt Realization of universal ion-trap quantum computation with decoherence-free qubits Phys. Rev. Lett. 103, 200503 (2009). (ID: 716801)
  • X. R. Nie, C. Roos, D. James Theory of cross phase modulation for the vibrational modes of trapped ions DFG - Physik, Math. u. Geowissen. 373, 422 (2009) (ID: 646595)
  • M. Chwalla, J. Benhelm, K. Kim, G. Kirchmair, T. Monz, M. Riebe, P. Schindler, A. Villar, W. Hänsel, C. Roos, R. Blatt, M. Abgrall, G. Santarelli, G. D. Rovera, P. Laurent Absolute frequency measurement of the 40Ca+ 4s 2S1/2 - 3d 2D5/2 clock transition Phys. Rev. Lett. 102, 023002 (2009) (ID: 650530)
  • V. Nebendahl, H. Häffner, C. Roos Optimal control of entangling operations for trapped-ion quantum computing Phys. Rev. A 79, 012312 (2009) (ID: 650641)
  • G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. Roos, R. Blatt Deterministic entanglement of ions in thermal states of motion 11, 023002 (2009) (ID: 655090)
  • G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. Roos, R. Blatt High-fidelity entanglement of 43Ca+ hyperfine clock states Phys. Rev. A 79, 020304 (2009) (ID: 657856)
  • G. Kirchmair, F. Zähringer, R. Gerritsma, M. Kleinmann, O. Gühne, A. Cabello, R. Blatt, C. Roos State-independent experimental test of quantum contextuality Nature 460, 494 (2009) (ID: 695207)

Colloquium

  • C. Roos Quantum entanglement in trapped ion experiments SFB Colloquium (Innsbruck, Austria, 2009-11-07) , (2009). (ID: 693967)

Invited Talks

  • C. F. Roos Quantum entanglement in trapped ion experiments Experimental Quantum Optics and Photonics (Zürich, 2009-12-09) , (2009). (ID: 716821)
  • C. F. Roos Quantum measurements with entangled ions Workshop on Common perspectives of mesoscopic systems and quantum gases (Günzburg, 2009-11-15) , (2009). (ID: 716803)
  • C. Roos Quantum entanglement in trapped ion experiments Summer School on Scalable Quantum Computing with Light and Atoms (Cargese, 2009-08-17) , (2009). (ID: 704603)
  • C. Roos State-independent experimental test of quantum contextuality Quantum Optics VII (Zakopane, 2009-12-06) , (2009). (ID: 686498)
  • C. Roos Lecture series on "Quantum Physics with trapped ions" Physiktage Freiburg (Freiburg, 2009-04-14) , (2009). (ID: 674893)
  • C. Roos Collective laser-ion interactions for entangling two and more ions European Quantum Electronics Conference (EQEC) (Munich, 2009-06-15) , (2009) (ID: 687430)

Proceedings

  • M. Chwalla, J. Benhelm, K. Kim, G. Kirchmair, T. Monz, M. Riebe, P. Schindler, A. Villar, W. Hänsel, C. F. Roos, R. Blatt, M. Abgrall, G. Santarelli, D. Rovera, P. Laurent Absolute frequency measurement of the 40Ca+ S1/2-D5/2 clock transition Proceedings of the 7th symposium on frequency standards and metrology 7th symposium on frequency standards and metrology (Pacific Grove, 2008-10-05) , 108 (2009). (ID: 716779)
  • J. Benhelm, G. Kirchmair, R. Gerritsma, F. Zähringer, T. Monz, P. Schindler, M. Chwalla, W. Hänsel, M. Hennrich, C. F. Roos, R. Blatt Ca+ quantum bits for quantum information processing Physica Scripta T137, 014008 (2009). (ID: 716979)

Talks

  • C. F. Roos Quantum information processing with trapped ions Guest lecture, ETH Zürich (Zürich, 2009-11-23) , (2009). (ID: 716813)
  • C. Roos Quantum information processing with trapped 43Ca+ ions Quantum computation and algorithm review meeting (Minneapolis, 2009-08-17) , (2009). (ID: 703821)

2008

Articles

Bookitem

  • H. Häffner, W. Hänsel, C. Roos, P. O. Schmidt, M. Riebe, M. Chwalla, D. Chek-al-Kar, J. Benhelm, U. D. Rapol, T. Körber, C. Becher, O. Gühne, W. Dür, R. Blatt Quantum Computing with Trapped Ions Controllable Quantum States , (2008) (ID: 629675)

Invited Talks

  • C. Roos High-fidelity quantum gates with trapped ions Quantum optics (Obergurgl, Austria, 2008-02-24) , (2008) (ID: 561061)
  • C. Roos Frequency metrology with trapped calcium ions European Frequency and Time Forum (EFTF 2008) (Toulouse, France, 2008-04-22) , (2008) (ID: 578536)
  • C. Roos High-fidelity quantum gates with trapped ions workshop of the research group of D. Meschede, Bonn (Bullay, Germany, 2008-09-05) , (2008) (ID: 583044)
  • C. Roos Characterization of quantum states and processes in trapped ion experiments Workshop on Quantum Estimation: Theory and Practice (Perimeter Institute, Waterloo, Canada, 2008-08-25) , (2008) (ID: 608121)

Proceeding

  • C. Roos, M. Chwalla, T. Monz, P. Schindler, K. Kim, M. Riebe, R. Blatt Quantum information processing and Ramsey spectroscopy with trapped ions Laser Spectroscopy: Proceedings of the XVIII International Conference (ICOLS) (Telluride, USA, 2007-06-24) , 53 (2008) (ID: 594009)

Seminar Talks

  • C. Roos Precision measurements with one and two calcium ions KVI Groningen (Groningen, The Netherlands, 2008-09-23) , (2008) (ID: 615165)
  • C. Roos Frequency shifts in entangling gates with trapped ions Departamento de Química-Física, Universidad del País Vasco (Bilbao, Spain, 2008-11-27) , (2008) (ID: 634789)

Talks

  • C. Roos Ion trap quantum gates with amplitude-modulated laser beams Frühjahrstagung der Deutschen Physikalischen Gesellschaft (Darmstadt, Germany, 2008-03-10) , (2008) (ID: 564603)
  • C. Roos Quantum information processing with trapped 43Ca+ ions Quantum computation and algorithm review meeting (Atlanta, USA, 2008-08-11) , (2008) (ID: 606952)
  • J. Benhelm, G. Kirchmair, C. Roos, R. Blatt Towards faulttolerant quantum computing with trapped ions Talk (Darmstadt, Germany, in Verhandl. DPG (VI) vol. 43, 2008-03-00) , (2008) (ID: 620566)
  • M. Chwalla, K. Kim, G. Kirchmair, M. Riebe, T. Monz, P. Schindler, A. Villar, C. Roos, W. Hänsel, R. Blatt, M. Abgrall, D. Rovera, P. Laurent Absolute frequency measurement of the 4s 2S1/2 - 3d 2D5/2 clock transition of a single 40Ca+ in a Paul trap Talk (Darmstadt, Germany, in Verhandl. DPG (VI) vol. 43, 2008-03-00) , (2008) (ID: 620569)
  • G. Kirchmair, J. Benhelm, R. Gerritsma, F. Zähringer, C. Roos, R. Blatt Experimental techniques for quantum information processing with trapped 43Ca+ ions Talk (Darmstadt, Germany, in Verhandl. DPG (VI) vol. 43, 2008-03-00) , (2008) (ID: 620572)

2007

Articles

  • C. Wunderlich, T. Hannemann, T. Körber, H. Häffner, C. Roos, W. Hänsel, R. Blatt, F. Schmidt-Kaler Robust state preparation of a single trapped ion by adiabatic passage J. Mod. Opt. , 1541 (2007) (ID: 434966)
  • J. Benhelm, G. Kirchmair, U. D. Rapol, T. Körber, C. Roos, R. Blatt Measurement of the hyperfine structure of the S1/2-D5/2 transition in 43Ca+ Phys. Rev. A 75, 032506 (2007) (ID: 461034)
  • M. Riebe, M. Chwalla, J. Benhelm, H. Häffner, W. Hänsel, C. Roos, R. Blatt Quantum teleportation with atoms: quantum process tomography 9, 211 (2007) (ID: 499882)
  • L. Aolita, K. Kim, J. Benhelm, C. Roos, H. Häffner High-fidelity ion-trap quantum computing with hyperfine clock states URL (ID: 532174)
  • M. Chwalla, K. Kim, T. Monz, P. Schindler, M. Riebe, C. Roos, R. Blatt Precision spectroscopy with two correlated atoms 89, 483 (2007) (ID: 545098)

Colloquium

  • C. Roos Precision spectroscopy and quantum information processing with trapped ions SFB colloquium (Control of quantum correlations in tailored matter) (Ulm, Germany, 2007-05-04) , (2007) (ID: 476874)

Invited Talks

  • C. Roos Precision spectroscopy and quantum information processing with trapped ions Atomic clocks and fundamental constants, ACFC 2007 (Bad Honnef, Germany, 2007-07-04) , (2007) (ID: 490725)
  • C. Roos Precision spectroscopy, Ramsey interferometry and quantum information processing with trapped ions International Conference on Laser Spectroscopy (Telluride, USA, 2007-06-24) , (2007) (ID: 494880)

Poster

  • C. Roos High-fidelity quantum gate operations with trapped Ca+ ions International Conference on Quantum Information Processing and Communication (QIPC 2007) (Barcelona, Spain, 2007-10-15) , (2007) (ID: 532173)

Talk

  • C. Roos Laser spectroscopy with correlated unentangled ions DPG Frühjahrstagung (Düsseldorf, Germany, 2007-02-23) , (2007) (ID: 461994)

2006

Articles

  • C. Roos, M. Chwalla, K. Kim, M. Riebe, R. Blatt Designer atoms for quantum metrology Nature 443, 319 (2006) (ID: 390237)
  • J. Korbicz, O. Gühne, M. Lewenstein, H. Häffner, C. Roos, R. Blatt Generalized spin-queezing inequalities in N-qubit systems Phys. Rev. A 74, 052319 (2006) (ID: 420124)
  • M. Riebe, K. Kim, P. Schindler, T. Monz, P. O. Schmidt, T. Körber, W. Hänsel, H. Häffner, C. Roos, R. Blatt Process tomography of ion trap quantum gates Phys. Rev. Lett. 97, 220407 (2006) (ID: 423123)

Invited Talks

  • C. Roos Precision spectroscopy with entangled states International conference on atomic physics (Innsbruck, Austria, 2006-07-16) , (2006). (ID: 378436)
  • C. Roos Creation of multi-particle entangled states Quantum computation in superconducting systems (Paris, France, 2006-03-24) , (2006) (ID: 345758)
  • C. Roos Entangled states for precision spectroscopy ICAP 2006 (Innsbruck, 2006-07-16) , (2006) (ID: 382746)
  • C. Roos Characterization of trapped ion quantum gates colloque thematique "Atomes, ions, molécules" (Palaiseau, France, 2006-11-16) , (2006) (ID: 418728)

Posters

  • H. Häffner, W. Hänsel, C. Roos, J. Benhelm, D. Chek-al-Kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, O. Gühne, W. Dür, R. Blatt Scalable entanglement of trapped ions Workshop on Trapped Ion Quantum Computing (NIST, Boulder, US, 2006-02-21) , (2006). (ID: 344048)
  • M. Riebe, C. Roos, M. Chwalla, D. Chek-al-Kar, K. Kim, H. Häffner, W. Hänsel, P. O. Schmidt, R. Blatt Quantenprozesstomografie als Werkzeug zur Diagnose eines Ionenfallen-Quantencomputers DPG (Frankfurt, Germany, in Verhandl. DPG (VI) vol. 41, 4/2006, 2006-03-12) , (2006) (ID: 343983)
  • C. Roos, M. Chwalla, M. Riebe, J. Benhelm, T. Körber, H. Häffner, W. Hänsel, P. O. Schmidt, R. Blatt Measurement of D5/2 quadrupole moment of 40Ca+ Workshop on Trapped Ion Quantum Computing (Boulder, US, 2006-02-21) , (2006) (ID: 344049)
  • T. Körber, W. Hänsel, H. Häffner, C. Roos, J. Benhelm, D. Chek-al-Kar, M. Chwalla, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, R. Blatt Quantum state tomography Workshop on Trapped Ion Quantum Computing (Boulder, US, 2006-02-21) , (2006) (ID: 344052)
  • J. Benhelm, G. Kirchmair, T. Körber, C. Roos, U. D. Rapol, R. Blatt Investigating a new qubit candidate - Ca-43 Workshop on Trapped Ion Quantum Computing (Boulder, US, 2006-02-21) , (2006) (ID: 344053)
  • J. Benhelm, G. Kirchmair, T. Körber, C. Roos, R. Blatt Experimental investigation of 43Ca+ as a new qubit candidate ICAP 2006 (Innsbruck, 2006-07-16) , (2006) (ID: 385288)
  • M. Riebe, K. Kim, C. Roos, W. Hänsel, H. Häffner, R. Blatt Diagnosis of ion trap quantum gates using process tomography ICAP 2006 (Innsbruck, 2006-07-16) , (2006) (ID: 385289)
  • M. Chwalla, K. Kim, M. Riebe, C. Roos, R. Blatt # Precision spectroscopy with entangled states ICAP 2006 (Innsbruck, 2006-07-16) , (2006) (ID: 385300)
  • C. Roos Quantum information processing with 43Ca+ ARO/DTO Quantum Information Science and Technology Conference (San Antonio, USA, 2006-09-05) , (2006) (ID: 423305)
  • C. Roos Measurement of D5/2 quadrupole moment of 40Ca+ ARO/DTO Quantum Information Science and Technology Conference (San Antonio, USA, 2006-09-05) , (2006) (ID: 423306)

Proceedings

  • H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. Roos, M. Chwalla, J. Benhelm, T. Körber, G. Lancaster, C. Becher, D. James, R. Blatt Controlling three atomic qubits Physical Realizations of Quantum Computing , 108 (2006) (ID: 361308)
  • H. Häffner, F. Schmidt-Kaler, W. Hänsel, C. Roos, P. O. Schmidt, M. Riebe, M. Chwalla, D. Chek-al-Kar, J. Benhelm, U. D. Rapol, T. Körber, C. Becher, R. Blatt Long lived entangled states Foundations of Quantum Mechanics in the Light of New Technology ISQM-Tokyo (Tokyo, Japan, 2005-08-22) , 33 (2006) (ID: 375560)
  • C. Roos, M. Chwalla, K. Kim, M. Riebe, R. Blatt Precision spectroscopy with entangled states: Measurement of electric quadrupole moments Atomic physics 20 (Innsbruck, Austria, 2006-07-16) , 111-118 (2006) (ID: 420335)

Seminar Talks

  • C. Roos Precision spectroscopy with entangled states Ye research group seminar, JILA (Boulder, USA, 2006-02-23) , (2006) (ID: 346062)
  • C. Roos Precision spectroscopy with entangled states SFB colloquium (Innsbruck, Austria, 2006-01-26) , (2006) (ID: 346064)

Talks

  • M. Chwalla, C. Roos, M. Riebe, J. Benhelm, T. Körber, H. Häffner, W. Hänsel, F. Schmidt-Kaler, R. Blatt Precision spectroscopy with entangled states DPG (Frankfurt, Germany, 2006-03-12) , (2006) (ID: 343975)
  • C. Roos, H. Häffner, W. Hänsel, J. Benhelm, D. Chek-al-Kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, W. Dür, O. Gühne, R. Blatt Erzeugung quantenmechanisch verschränkter Zustände von vier bis acht Ionen DPG (Frankfurt, Germany, Verhandl. DPG (VI) vol. 41, 4/2006, 2006-03-12) , (2006) (ID: 343978)
  • C. Roos Quantenphysik in Innsbruck Wirtschaftsdialog (Innsbruck, Austria, 2006-11-22) , (2006) (ID: 418876)
  • F. Schmidt-Kaler, H. Häffner, C. Roos, T. Körber, W. Hänsel, M. Riebe, J. Benhelm, U. D. Rapol, R. Blatt, C. Becher Zustands-Tomographie in einem Ionen-Quantenprozessor, in Verhandl. DPG (VI) vol. 41, 4/2006 , (2006) (ID: 620587)

2005

Articles

  • H. Häffner, W. Hänsel, C. Roos, J. Benhelm, D. Chek-al-Kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, O. Gühne, W. Dür, R. Blatt Scalable multi-particle entanglement of trapped ions Nature 438, 646 (2005) (ID: 314190)
  • H. Häffner, F. Schmidt-Kaler, W. Hänsel, C. Roos, T. Körber, M. Chwalla, J. Benhelm, U. D. Rapol, C. Becher, R. Blatt Robust Entanglement 81, 151 (2005) (ID: 314806)
  • A. Kreuter, C. Becher, G. Lancaster, A. B. Mundt, C. Russo, H. Häffner, C. Roos, W. Hänsel, F. Schmidt-Kaler, R. Blatt, M. Safronova New experimental and theoretical approach to the 3d ²D-level lifetimes of ⁴⁰Ca⁺ Phys. Rev. A 71, 032504 (2005) (ID: 314807)

Invited Talks

  • C. Roos Quantum information processing with trapped ions Edgar-Luescher-Seminar (Serneus, Switzerland, 2005-02-12) , (2005) (ID: 327498)
  • C. Roos Quantum information processing with trapped ions ICONO 2005 (St. Petersburg, Russia, 2005-05-11) , (2005) (ID: 327501)
  • C. Roos Coherent control of trapped ions for quantum information Lecture at Universitat Autonoma de Barcelona (Barcelona, Spain, 2005-10-17) , (2005) (ID: 327508)
  • C. Roos Quantum information processing with trapped ions (Darmstadt, Germany, 2005-12-12) , (2005) (ID: 327511)
  • C. Roos Lectures on "Ion trap quantum information processing" International school on quantum information (Dresden, Germany, 2005-08-29) , (2005) (ID: 327517)
  • C. Roos Experiments with multi-particle entangled states of trapped ions Seminar (Barcelona, 2005-10-21) , (2005) (ID: 331303)

Posters

  • J. Benhelm, G. Kirchmair, T. Körber, C. Roos, U. D. Rapol, R. Blatt Quantum information processing with Calcium-43 Quantum Optics, Obergurgl, Austria , (2005) (ID: 327519)
  • T. Körber, W. Hänsel, H. Häffner, C. Roos, J. Benhelm, D. Chek-al-Kar, M. Chwalla, U. D. Rapol, M. Riebe, C. Becher, R. Blatt Control and measurement of three-particle entangled states Quantum Optics, Obergurgl, Austria , (2005) (ID: 327571)
  • C. Roos, M. Chwalla, M. Riebe, J. Benhelm, T. Körber, H. Häffner, W. Hänsel, F. Schmidt-Kaler, R. Blatt Precision spectroscopy with entangled states Quantum Optics, Obergurgl, Austria , (2005) (ID: 327573)
  • C. Roos, J. Benhelm, M. Chwalla, U. D. Rapol, T. Körber, H. Häffner, W. Hänsel, P. O. Schmidt, R. Blatt Quantum information processign with trapped Ca-40 and Ca-43 ions ARO quantum computation review meeting (Tampa, US, 2005-08-22) , (2005) (ID: 331308)

Proceedings

  • H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. Roos, M. Chwalla, J. Benhelm, T. Körber, C. Becher, D. James, R. Blatt Teleportation with Atoms Atomic Physics (Rio De Janeiro) 19, 341-349 (2005) (ID: 314808)
  • C. Becher, J. Benhelm, D. Chek-al-Kar, M. Chwalla, W. Dür, O. Gühne, H. Häffner, W. Hänsel, T. Körber, A. Kreuter, G. Lancaster, T. Monz, E. Phillips, U. D. Rapol, M. Riebe, C. Roos, C. Russo, F. Schmidt-Kaler, R. Blatt Entanglement of trapped ions Laser Spectroscopy ICOLS XVII, 392 (2005) (ID: 327393)

Talks

  • C. Roos, H. Häffner, W. Hänsel, J. Benhelm, D. Chek-al-Kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, R. Blatt Multiparticle entangled states of trapped ions: Generation of W-states 55. Jahrestagung der ÖPG (Wien, Austria, 2005-09-27) , (2005). (ID: 331407)
  • W. Hänsel, H. Häffner, C. Roos, J. Benhelm, D. Chek-al-Kar, M. Chwalla, T. Körber, U. D. Rapol, M. Riebe, P. O. Schmidt, C. Becher, R. Blatt Verschränkte Ionenzustände mit einer Lebensdauer von mehr als zehn Sekunden Meeting of the German Physical Society (Berlin, 2005-03-04) , (2005) (ID: 327587)

2004

Articles

  • C. Roos, M. Riebe, H. Häffner, W. Hänsel, J. Benhelm, G. Lancaster, C. Becher, F. Schmidt-Kaler, R. Blatt Control and Measurment of Three-Qubit Entangled States Science 304, 1478 (2004) (ID: 342102)
  • C. Roos, G. Lancaster, M. Riebe, H. Häffner, W. Hänsel, S. Gulde, C. Becher, J. Eschner, F. Schmidt-Kaler, R. Blatt Bell States of Atoms with Ultralong Lifetimes and Their Tomographic State Analysis Phys. Rev. Lett. 92, 220402 (2004) (ID: 342103)
  • A. Kreuter, C. Becher, G. Lancaster, A. B. Mundt, C. Russo, H. Häffner, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Spontaneous Emission Lifetime of a Single Trapped Ca+ Ion in a High Finesse Cavity Phys. Rev. Lett. 92, 203002 (2004) (ID: 342120)
  • R. Blatt, H. Häffner, C. Roos, C. Becher, F. Schmidt-Kaler Ion Trap Quantum Computing with Ca+ Ions Quant. Inf. Proc. 3, 1-5 (2004) (ID: 513993)
  • M. Riebe, H. Häffner, C. Roos, W. Hänsel, J. Benhelm, G. Lancaster, T. Körber, C. Becher, F. Schmidt-Kaler, D. James, R. Blatt Deterministic quantum teleportation with atoms Nature 429, 734 (2004) (ID: 520666)

Bookitem

  • R. Blatt, H. Häffner, C. Roos, C. Becher, F. Schmidt-Kaler Quantum information processing in ion traps I QUANTUM ENTANGLEMENT AND INFORMATION PROCESSING, SESSION LXXIX Summer School (Les Houches, 2003-00-00) 79, (2004) (ID: 353743)

Invited Talks

  • H. Häffner, F. Schmidt-Kaler, W. Hänsel, C. Roos, M. Riebe, T. Deuschle, J. Benhelm, G. Lancaster, C. Becher, R. Blatt Quantum computation with trapped ions The 2004 LATSIS Symposium (Lausanne, Switzerland, 2004-03-01) , (2004) (ID: 620238)
  • H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. Roos, J. Benhelm, T. Körber, G. Lancaster, C. Becher, R. Blatt Quantum computation with trapped ions - Teleportation with atoms, are the Di Vincenzo Criteria fulfilled in 2004? Invited Talk (Osaka, Japan, 2004-08-05) , (2004) (ID: 620244)
  • H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. Roos, J. Benhelm, T. Körber, G. Lancaster, C. Becher, R. Blatt Teleportation with atoms ICAP 2004 (Rio de Janeiro, Brazil, 2004-07-25) , (2004) (ID: 620245)
  • H. Häffner, M. Riebe, F. Schmidt-Kaler, W. Hänsel, C. Roos, J. Benhelm, T. Körber, G. Lancaster, C. Becher, R. Blatt Using entanglement as a resource for teleportation of atomic states, Entanglement, Information & Noise Invited Talk (Krzyzowa, Poland, 2004-06-14) , (2004) (ID: 620246)
  • F. Schmidt-Kaler, H. Häffner, M. Riebe, T. Deuschle, J. Benhelm, G. Lancaster, C. Becher, W. Hänsel, C. Roos, R. Blatt Quantum gates and entanglement International Quantum Electronics Conference (IQEC 2004) (San Francisco, Calif., USA, in: CLEO/IQEC and PhAST Technical Digest on CDROM (The Optical Society of America, Washington, DC, 2004), 2004-05-16) , (2004) (ID: 620249)

Posters

  • M. Riebe, H. Häffner, C. Roos, W. Hänsel, T. Körber, M. Chwalla, J. Benhelm, F. Schmidt-Kaler, D. James, R. Blatt Quantum teleportation with atoms on demand Trapped Ion Quantum Computing Workshop (TIQC 2004) (Ann Arbor, USA, 2004-05-13) , (2004) (ID: 627357)
  • W. Hänsel, C. Roos, M. Riebe, H. Häffner, J. Benhelm, G. Lancaster, T. Körber, C. Becher, F. Schmidt-Kaler, R. Blatt Control and measurement of three-qubit entangled states Trapped Ion Quantum Computing Workshop (TIQC 2004) (Ann Arbor, USA, 2004-05-13) , (2004) (ID: 627358)
  • J. Benhelm, T. Körber, R. Blatt, C. Roos, H. Häffner, W. Hänsel, C. Becher, F. Schmidt-Kaler Investigating a new qubit candidate: 43Ca+ Trapped Ion Quantum Computing Workshop (TIQC 2004) (Ann Arbor, USA, 2004-05-13) , (2004) (ID: 627360)
  • C. Roos, M. Chwalla, M. Riebe, J. Benhelm, W. Hänsel, H. Häffner, T. Körber, C. Becher, F. Schmidt-Kaler, R. Blatt Precision spectroscopy with entangled states Trapped Ion Quantum Computing Workshop (TIQC 2004) (Ann Arbor, USA, 2004-05-13) , (2004) (ID: 627362)
  • C. Becher, A. Kreuter, G. Lancaster, A. B. Mundt, C. Russo, H. Häffner, W. Hänsel, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Spontaneous emission of a single Ca+ ion in a high finesse optical cavity Trapped Ion Quantum Computing Workshop (TIQC 2004) (Ann Arbor, USA, 2004-05-13) , (2004) (ID: 627363)

Talks

  • C. Becher, C. Maurer, C. Russo, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt A single photon source based on a single Ca+ ion International Quantum Electronics Conference (IQEC 2004) (San Francisco, Calif., USA, in: CLEO/IQEC and PhAST Technical Digest on CDROM (The Optical Society of America, Washington, DC, 2004), 2004-05-16) , (2004) (ID: 620588)
  • W. Hänsel, M. Bacher, H. Häffner, C. Roos, M. Riebe, C. Becher, F. Schmidt-Kaler, R. Blatt Korrektur von Adressierungsfehlern in einer linearen Ionenfalle, in Verhandl. DPG (VI), vol. 39, 7/2004, Postdeadline Papers , (2004) (ID: 620590)
  • M. Chwalla, J. Benhelm, M. Riebe, H. Häffner, W. Hänsel, C. Roos, F. Schmidt-Kaler, R. Blatt Optischer Frequenzstandard mit 40Ca+ Ionen, in Verhandl. DPG (VI), 39, 7/159, 2004 , (2004) (ID: 620592)
  • C. Roos, M. Chwalla, M. Riebe, J. Benhelm, C. Becher, W. Hänsel, H. Häffner, F. S. Blatt Präzisionsspektroskopie mit verschränkten Zuständen, in Verhandl. DPG (VI) 39, 7/149, 2004 , (2004) (ID: 620596)
  • W. Hänsel, C. Roos, H. Häffner, G. Lancaster, M. Riebe, S. Gulde, C. Becher, F. Schmidt-Kaler, R. Blatt Quantenzustandstomographie in einer linearen Ionenfalle. in Verhandl. DPG (VI) 39, 7/148, 2004 , (2004) (ID: 620609)
  • M. Riebe, H. Häffner, C. Roos, W. Hänsel, M. Chwalla, J. Benhelm, F. Schmidt-Kaler, D. James, R. Blatt Teleportation von Quanteninformation mit massiven Teilchen, in Verhandl. DPG (VI) 39, 7/148, 2004 , (2004) (ID: 620611)
  • H. Häffner, M. Riebe, C. Roos, W. Hänsel, M. Chwalla, J. Benhelm, F. Schmidt-Kaler, R. Blatt Experimenteller Vergleich von Drei-Teilchen-Verschränkungen: W und GHZ-Zustände, in Verhandl. DPG (VI) 39, 7/148, 2004 , (2004) (ID: 620614)
  • C. Maurer, C. Becher, C. Russo, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Einzelne Photonen von einem Ca+-Ion in einem Hochgüte-Resonator, in Verhandl. DPG (VI) 39, 7/144, 2004 , (2004) (ID: 620616)

2003

Articles

  • F. Schmidt-Kaler, H. Häffner, S. Gulde, M. Riebe, G. Lancaster, T. Deuschle, C. Becher, W. Hänsel, J. Eschner, C. Roos, R. Blatt How to realize a universal quantum gate with trapped ions Appl. Phys. B Las. Opt. 77, 789 (2003) (ID: 342105)
  • F. Schmidt-Kaler, H. Häffner, M. Riebe, S. Gulde, G. Lancaster, T. Deuschle, C. Becher, C. Roos, J. Eschner, R. Blatt Realization of the Cirac-Zoller controlled-NOT quantum gate Nature 422, 408 (2003) (ID: 342111)
  • C. Roos, P. Cren, D. Guery-Odelin, J. Dalibard Continuous loading of a non-dissipative atom trap 61, 187 (2003) (ID: 469814)
  • C. Roos, P. Cren, T. Lahaye, J. Dalibard, D. Guery-Odelin Injection of a cold atomic beam into a magnetic guide Laser Phys. 13, 605 (2003) (ID: 469815)
  • T. Lahaye, P. Cren, C. Roos, D. Guery-Odelin Propagation of guided atoms Comm. Nonlin. Sci. Num. 8, 315 (2003) (ID: 469816)

Invited Talks

  • F. Schmidt-Kaler, H. Häffner, M. Riebe, S. Gulde, G. Lancaster, T. Deuschle, C. Becher, C. Roos, J. Eschner, R. Blatt Realisation of the Cirac-Zoller controlled-NOT quantum gate European Quantum Electronics Conference (EQEC) (Munich, Germany, in: Europhysics Conference Abstracts Vo. 27E El1-1-MON, 2003-06-22) , (2003) (ID: 620254)
  • C. Becher, A. Kreuter, A. B. Mundt, C. Russo, H. Häffner, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Coherent coupling and modified spontaneous emission of a single ion in a high finesse optical cavity Meeting of the American Physical Society Division of Atomic, Molecular and Optical Physics (DAMOP) (Boulder, USA, 2003-05-20) , (2003) (ID: 620255)

Talks

  • W. Hänsel, C. Roos, G. Lancaster, M. Riebe, H. Häffner, S. Gulde, C. Becher, J. Eschner, F. Schmidt-Kaler, R. Blatt Erzeugung und Analyse verschränkter Mehr-Teilchen Zustände mit 40Ca-Ionen Beitrag zur 53. Jahrestagung der ÖPG (Salzburg, Austria, S. 89, 2003-02-01) , (2003) (ID: 620621)
  • M. Chwalla, M. Riebe, S. Gulde, T. Deuschle, G. Lancaster, H. Häffner, C. Becher, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Optischer Frequenzstandards mit 40Ca-Ionen Beitrag zur 53. Jahrestagung der ÖPG (Salzburg, Austria, S. 88, 2003-02-01) , (2003) (ID: 620624)
  • A. Kreuter, A. B. Mundt, C. Becher, C. Russo, J. Eschner, C. Roos, F. Schmidt-Kaler, R. Blatt Kopplung eines einzelnen Ca+ Ions an das Vakuumfeld eines Resonators hoher Güte Beitrag zur 53. Jahrestagung der ÖPG (Salzburg, Austria, S. 87, 2003-02-01) , (2003) (ID: 620627)
  • C. Becher, A. Kreuter, A. B. Mundt, C. Russo, C. Maurer, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Coherent coupling and modified spontaneous emission of a single ion in a high finesse optical cavity 4th European Quantum Information and Computation (QIPC) Workshop (Oxford, UK, 2003-07-13) , (2003) (ID: 620630)
  • C. Roos, H. Häffner, W. Hänsel, G. Lancaster, M. Riebe, S. Gulde, C. Becher, J. Eschner, F. Schmidt-Kaler, R. Blatt Experimental preparation and analysis of two-ion entangled states 4th European Quantum Information and Computation (QIPC) Workshop (Oxford, UK, 2003-07-13) , (2003) (ID: 620631)
  • C. Becher, A. Kreuter, A. B. Mundt, C. Russo, H. Häffner, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Coherent Coupling of a single Ca+ ion to a high finesse optical cavity Field European Quantum Electronics Conference (EQEC) 2003 (Munich, Germany, in: Europhysics Conference Abstracts Vo. 27E EH1-2-WED, 2003-06-22) , (2003) (ID: 620633)
  • F. Schmidt-Kaler, H. Häffner, M. Riebe, S. Gulde, G. Lancaster, T. Deuschle, C. Becher, C. Roos, J. Eschner, R. Blatt Quanten-Informationsverarbeitung mit linearen Ionenkristallen und die Realisierung eines universellen zwei-Quantenbit Gatters, in Verhandl. DPG (VI) 38, 6/118, 2003 , (2003) (ID: 620901)
  • C. Becher, A. Kreuter, A. B. Mundt, C. Russo, H. Häffner, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Kohärente Kopplung eines einzelnen Ca+-Ions an eine Hochfinesse-Resonatormode, in Verhandl. DPG (VI) 38, 6/125, 2003 , (2003) (ID: 620902)
  • C. Roos, R. Blatt, J. Eschner, F. Schmidt-Kaler, H. Häffner, C. Becher Quanteninformationsverarbeitung mit Ca+-Ionen, in Verhandl. DPG (VI) 38, 6/151, 2003 , (2003) (ID: 620913)

2002

Article

  • P. Cren, C. Roos, A. Aclan, J. Dalibard, D. Guery-Odelin Loading of a cold atomic beam into a magnetic guide Eur. Phys. J. D 20, 107 (2002) (ID: 469813)

Invited Talks

  • J. Eschner, S. Gulde, H. Häffner, H. Rohde, P. Barton, F. Schmidt-Kaler, C. Roos, D. Leibfried, A. B. Mundt, A. Kreuter, C. Becher, R. Blatt Quantum information processing with trapped Ca+ ions European Group of Atomic Spectroscopy (EGAS) (Sofia, Bulgarien, 2002-12-07) , (2002) (ID: 620274)
  • J. Eschner, G. Morigi, C. Roos, F. Schmidt-Kaler, D. Leibfried, R. Blatt Ground state laser cooling of trapped ions Cooling 2002 (Visby, Sweden, 2002-06-09) , (2002) (ID: 620284)
  • J. Eschner, G. Morigi, C. Roos, F. Schmidt-Kaler, D. Leibfried, R. Blatt Ground state laser cooling of trapped ions Cooling 2002 (Visby, Sweden, 2002-06-09) , (2002) (ID: 632463)

Proceedings

  • F. Schmidt-Kaler, J. Eschner, R. Blatt, D. Leibfried, C. Roos, G. Morigi Laser Cooling of trapped ions Laser Physics at the limit , 243-260 (2002) (ID: 628430)
  • C. Roos, D. Leibfried, F. Schmidt-Kaler, J. Eschner, R. Blatt Sideband cooling and state manipulation: Application in precision spectroscopy Proc. 6th Symp. Frequency Standards and Metrology , 376-384 (2002) (ID: 628432)

Talk

  • H. Häffner, S. Gulde, C. Roos, J. Eschner, F. Schmidt-Kaler, R. Blatt Welche Zuverlässigkeit kann man von Ionenfallen-Quantengattern erwarten?, in Verhandl. DPG (VI) 37,, 2/104,2002 , (2002) (ID: 620926)

2001

Articles

  • F. Schmidt-Kaler, J. Eschner, G. Morigi, C. Roos, D. Leibfried, A. B. Mundt, R. Blatt Laser cooling with electromagnetically induced transparency: Application to trapped samples of ions or neutral atoms Appl. Phys. B Las. Opt. 73, 807 (2001) (ID: 343962)
  • H. Rohde, S. Gulde, C. Roos, P. Barton, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt Sympathetic ground state cooling and coherent manipulation with two-ion-crystals J. Opt. B: Quantum Semiclass. Opt. 3, 34 (2001) (ID: 469819)

Invited Talks

  • F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner, R. Blatt Towards Quantum information processing with trapped Ca+ ions International Conference on Quantum Information (Rochester N.Y., USA, Book of abstracts, p. 9, 2001-06-13) , (2001) (ID: 620298)
  • R. Blatt, F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner Quantum computation with trapped ions Workshop on Quantum Information Processing, Fields Institute, Univ. Toronto (Toronto, Canada, 2001-05-19) , (2001) (ID: 620300)
  • F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner, R. Blatt Quantum information processing with trapped Ca+ ions Division of atomic and molecular physics conference, DAMOP, London (Ontario, Canada, Bull. Am. Phys. Soc., 2001-05-18) , (2001) (ID: 620301)
  • R. Blatt, C. Roos, F. Schmidt-Kaler, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner Quantum Computation with Trapped Ions Winter School on Quantum Information (Dolomieu, France, 2001-02-27) , (2001) (ID: 620302)
  • C. Roos, F. Schmidt-Kaler, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner, R. Blatt Towards quantum information processing with trapped Ca+ ions International Conference on Quantum Information IQC01 (Sydney, Australien, 2001-01-19) , (2001) (ID: 620303)
  • F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner, R. Blatt Quantum information processing with trapped Ca+ ions, in OSA Trends in Optics and Photonics (TOPS) Vol. 57, Quantum Electronics and Laser Science Conference (QELS2001), Technical digest, Post conference Edition (Optical Society of America, Washington , (2001) (ID: 620936)
  • R. Blatt, F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner Quantum information processing with trapped ions, in Verhandl. DPG (VI) 36, 34, 2001 (also: ECAMP, europhysics conference abstracts Vol. 25B) , (2001) (ID: 622630)

Proceedings

  • D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Towards quantum information with trapped Calcium ions Quantum Communication, Computing and Measurement 3 , 179 (2001) (ID: 628450)
  • D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, G. Reymond, M. Lederbauer, F. Schmidt-Kaler, J. Eschner, R. Blatt Experiments towards quantum information with trapped Calcium ions Atomic Physics (Proceedings of the ICAP 2000) 17, 130 (2001) (ID: 628457)

Talk

  • F. Schmidt-Kaler, C. Roos, D. Leibfried, A. B. Mundt, J. Eschner, R. Blatt Laserkühlung mittels elektromagnetisch induzierter Transparenz, in Verhandl. DPG (VI) 36, 83, 2001 (also: ECAMP, europhysics conference abstracts Vol. 25B) , (2001) (ID: 622628)

2000

Articles

  • C. Roos, D. Leibfried, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Experimental demonstration of ground state laser cooling with electromagnetically induced transparency Phys. Rev. Lett. 85, 5547 (2000) (ID: 344232)
  • H. Rohde, S. Gulde, C. Roos, P. Barton, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt Sympathetic ground state cooling and coherent manipulation with two-ion-crystals J. Opt. B: Quantum Semiclass. Opt. 3, S3 (2000) (ID: 344234)
  • A. Steane, C. Roos, D. Stevens, A. B. Mundt, D. Leibfried, F. Schmidt-Kaler, R. Blatt Speed of ion trap quantum information processors Phys. Rev. A 62, 042305 (2000) (ID: 344236)
  • H. Nägerl, C. Roos, D. Leibfried, H. Rohde, G. Thalhammer, J. Eschner, F. Schmidt-Kaler, R. Blatt Investigating a qubit candidate: Spectroscopy on the S1/2 to D5/2 transition of a trapped calcium ion in a linear Paul trap Phys. Rev. A 61, 023405 (2000) (ID: 344239)
  • F. Schmidt-Kaler, C. Roos, H. Nägerl, H. Rohde, S. Gulde, A. B. Mundt, M. Lederbauer, G. Thalhammer, T. Zeiger, P. Barton, L. Hornekaer, G. Reymond, D. Leibfried, J. Eschner, R. Blatt Ground state cooling, quantum state engineering, and study of decoherence in Paul traps J. Mod. Opt. 47, 2573 (2000) (ID: 469818)
  • H. Nägerl, C. Roos, H. Rohde, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt Addressing and cooling of single ions in Paul traps Fortschr. Phys. 48, 623 (2000) (ID: 619587)

Invited Talks

  • H. Rohde, D. Leibfried, C. Roos, P. Barton, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Ground-state cooling of a string of ions in a linear Paul trap TMR Network Meeting "Quantum structures" (Wildbad Kreuth, Germany, 2000-11-26) , (2000) (ID: 620304)
  • D. Leibfried, C. Roos, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Experiments on Sub-Doppler Cooling in Ion Traps Quantum Optics XI (Mallorca, Spain, 2000-10-14) , (2000) (ID: 620305)
  • J. Eschner, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, P. Barton, H. Nägerl, D. Leibfried, F. Schmidt-Kaler, R. Blatt Towards quantum computation with trapped ions Quantum Optics XI (Mallorca, Spain, 2000-10-14) , (2000) (ID: 620308)
  • F. Schmidt-Kaler, D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, J. Eschner, R. Blatt Ground state cooling, quantum state engineering and study of decoherence of ions in Paul traps 2nd Bielefeld Workshop on Quantum Information and Complexity, Universität Bielefeld (Bielefeld, Germany, 2000-10-12) , (2000) (ID: 620309)
  • R. Blatt, D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner Towards quantum information processing with trapped Ca+ ions Workshop on Puzzles and Mysteries in Quantum Physics (Gargnano, Italy, 2000-09-19) , (2000) (ID: 620310)
  • F. Schmidt-Kaler, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, D. Leibfried, J. Eschner, R. Blatt Ground state cooling, quantum state engineering and study of decoherence of ions in Paul traps Conference Digest of 2000 International Quantum Electronics Conference, p. 212 (Nizza, 2000-09-10) , (2000) (ID: 620368)
  • P. Barton, D. Leibfried, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Ground state cooling of ion strings TMR Network Meeting "The physics of quantum information", Universität Wien (Wien, Austria, 2000-09-05) , (2000) (ID: 620369)
  • F. Schmidt-Kaler, D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, J. Eschner, R. Blatt Quantum information processing with Ca ions TMR Network Meeting "The physics of quantum information", Universität Wien (Wien, Austria, 2000-09-05) , (2000) (ID: 620371)
  • D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, F. Schmidt-Kaler, J. Eschner, R. Blatt Towards quantum information processing with trapped Ca+ ions QIPC-Y2k (Capri, Italy, 2000-07-07) , (2000) (ID: 620372)
  • R. Blatt, D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, G. Reymond, M. Lederbauer, F. Schmidt-Kaler, J. Eschner Quantum information processing with trapped ions Workshop on Quantum Information Processing, ISI Turin (Turin, Italy, 2000-06-28) , (2000) (ID: 620374)
  • D. Leibfried, C. Roos, P. Barton, H. Rohde, S. Gulde, A. B. Mundt, G. Reymond, M. Lederbauer, F. Schmidt-Kaler, J. Eschner, R. Blatt Experiments towards quantum information with trapped Calcium ions International Conference on Atomic Physics, ICAP 2000 (Florenz, Italy, 2000-06-07) , (2000) (ID: 620375)
  • C. Roos, H. Rohde, S. Gulde, A. B. Mundt, G. Reymond, M. Lederbauer, J. Eschner, F. Schmidt-Kaler, D. Leibfried, R. Blatt Towards quantum information processing with trapped Ca+ ions ISCAS (Genf, Schweiz, 2000-05-30) , (2000) (ID: 620377)

Poster

  • S. Gulde, H. Rohde, C. Roos, P. Barton, D. Leibfried, F. Schmidt-Kaler, R. Blatt Cooling ion strings to the vibrational ground state ICAP 2000 (Florenz, Italy, 2000-09-04) , (2000) (ID: 620937)

Talks

  • F. Schmidt-Kaler, S. Gulde, H. Rohde, C. Roos, P. Barton, D. Leibfried, J. Eschner, R. Blatt Cooling ion strings to the vibrational ground state Beitrag zur 50. Jahrestagung der ÖPG (Graz, Austria, S. 121, 2000-09-25) , (2000) (ID: 622632)
  • D. Leibfried, C. Roos, H. Rohde, S. Gulde, A. B. Mundt, M. Lederbauer, F. Schmidt-Kaler, J. Eschner, R. Blatt Experiments towards quantum information with trapped Calcium ions, in Quantum Electronics and Laser Science Conference, OSA Technical Digest, p. 178, Washington, D.C. , (2000) (ID: 622636)
  • C. Roos, A. B. Mundt, D. Leibfried, F. Schmidt-Kaler, R. Blatt, A. Steane Speed of ion trap information processors, in Verhandl. DPG (VI) 35, 1087, 2000 , (2000) (ID: 622637)
  • C. Roos, T. Zeiger, A. B. Mundt, H. Rohde, H. Nägerl, J. Eschner, D. Leibfried, F. Schmidt-Kaler, R. Blatt Kohärente Zustandsmanipulation eines einzelnen Ca+-Ions auf einem optischen Übergang, in Verhandl. DPG (VI) 35, 1061, 2000 , (2000) (ID: 622640)

1999

Article

  • C. Roos, T. Zeiger, H. Rohde, H. Nägerl, J. Eschner, D. Leibfried, F. Schmidt-Kaler, R. Blatt Quantum state engineering on an optical transition and decoherence in a Paul trap Phys. Rev. Lett. 83, 4713 (1999) (ID: 344238)

Proceedings

  • F. Schmidt-Kaler, C. Roos, H. Nägerl, H. Rohde, S. Gulde, A. B. Mundt, T. Zeiger, G. Reymond, G. Thalhammer, D. Leibfried, J. Eschner, R. Blatt Single ions in Paul traps Laser Spectroscopy XIV, 246 (1999) (ID: 628460)
  • H. Nägerl, C. Roos, H. Rohde, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt Single Ions in Paul traps Decoherence: Theoretical, Experimental and Conceptual Problems , (1999) (ID: 628462)

Talks

  • C. Roos, H. Nägerl, H. Rohde, S. Gulde, A. B. Mundt, T. Zeiger, G. Reymond, G. Thalhammer, D. Leibfried, J. Eschner, F. Schmidt-Kaler, R. Blatt Quantum Optics with a single Ca+ ion Beitrag zur 49. Jahrestagung der ÖPG (Innsbruck, Austria, S. 61, 1999-09-20) , (1999) (ID: 622644)
  • C. Roos, T. Zeiger, H. Nägerl, H. Rohde, F. Schmidt-Kaler, D. Leibfried, J. Eschner, R. Blatt Experimente zur Seitenbandkühlung eines Kalzium Ions in einer Paul-Falle, in Verhandl. DPG (VI) 34, 400, 1999 , (1999) (ID: 622669)

1998

Poster

  • H. Nägerl, C. Roos, W. Bechter, J. Eschner, F. Schmidt-Kaler, R. Blatt Frequenzverdoppelter Dioden-Laser bei 397 nm, in Verhandl. DPG (VI) 33, 182, 1998 , (1998) (ID: 622710)

Talks

  • C. Roos, H. Nägerl, H. Rohde, T. Zeiger, J. Eschner, F. Schmidt-Kaler, R. Blatt Ein eindimensionales Ion, in Verhandl. DPG (VI) 33, 210, 1998 , (1998) (ID: 622693)
  • H. Rohde, C. Roos, F. Schmidt-Kaler, R. Blatt Ein hochstabiles Laser-System zur Spektroskopie an Ca+-Ionen, in Verhandl. DPG (VI) 33, 200, 1998 , (1998) (ID: 622698)

1997

Article

  • C. Roos, A. Zippelius, P. M. Goldbart Random networks of crosslinked manifolds J. Phys. A: Math. Gen. 30, 1967 (1997) (ID: 469817)

Invited Talk

  • H. Nägerl, C. Roos, W. Bechter, J. Eschner, F. Schmidt-Kaler, R. Blatt Quantum motion of single trapped ions eingeladener Vortrag auf der European Research Conference on Quantum Optics (Castelvecchio, Italy, 1997-09-13) , (1997) (ID: 620408)

Poster

  • H. Rohde, C. Roos, F. Schmidt-Kaler, J. Eschner, R. Blatt Ein Hochfinesse-Resonator für die Laser-Stabilisierung Beitrag zur 47. Jahrestagung der ÖPG (Wien, Austria, S. 269, 1997-09-22) , (1997) (ID: 622730)

1996

Talk

  • U. Hauschildt, H. Nägerl, C. Roos, K. Glatzel, M. Schulz, F. Schmidt-Kaler, R. Blatt Eine neue Falle für die Quantenoptik mit einzelnen Ca+ Ionen Beitrag zur 46. Jahrestagung der ÖPG (Linz, Austria, S. 120, 1996-09-23) , (1996) (ID: 622750)

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