Publications Christian F. ROOS

2024

Preprints

  • M. Mallweger, M. Guevara-Bertsch, B. T. Torosov, R. Thomm, N. Kuk, H. Parke, C. F. Roos, G. Higgins, M. Hennrich, N. V. Vitanov Motional state analysis of a trapped ion by ultra-narrowband composite pulses arXiv:2402.10041 (ID: 721243)
  • L. K. Joshi, J. Franke, A. Rath, F. Ares, S. Murciano, F. Kranzl, R. Blatt, P. Zoller, B. Vermersch, P. Calabrese, C. F. Roos, M. K. Joshi Observing the quantum Mpemba effect in quantum simulations arXiv:2401.04270 (ID: 721174)

2023

Preprint

  • M. I. Hussain, M. Guevara-Bertsch, E. Torrontegui, J. García-Ripoll, R. Blatt, C. F. Roos Single-ion optical autocorrelator arXiv:2312.03679 (ID: 721153)

Articles

  • M. K. Joshi, C. Kokail, R. van Bijnen, F. Kranzl, T. Zache, R. Blatt, C. F. Roos, P. Zoller Exploring Large-Scale Entanglement in Quantum Simulation Nature 624, 539 (2023). (ID: 721080)
  • F. Kranzl, S. Birnkammer, M. K. Joshi, A. Bastianello, R. Blatt, M. Knap, C. F. Roos Observation of magnon bound states in the long-range, anisotropic Heisenberg model Phys. Rev. X 13, 031017-12 (2023). (ID: 720909)
  • I. Vybornyi, L. Dreissen, D. Kiesenhofer, H. Hainzer, M. Bock, T. Ollikainen, D. Vadlejch, C. F. Roos, T. E. Mehlstäubler, K. Hammerer Sideband thermometry of ion crystals PRX Quantum 4, 40346 (2023). (ID: 721085)
  • F. Kranzl, A. Lasek, M. K. Joshi, A. Kalev, R. Blatt, C. F. Roos, N. Yunger Halpern Experimental observation of thermalization with noncommuting charges PRX Quantum 4, 20318 (2023). (ID: 720810)
  • D. Kiesenhofer, H. Hainzer, A. Zhdanov, P. Holz, M. Bock, T. Ollikainen, C. F. Roos Controlling two-dimensional Coulomb crystals of more than 100 ions in a monolithic radio-frequency trap PRX Quantum 4, 20317 (2023). (ID: 721039)
  • J. Franke, S. M. Muleady, C. R. Kaubrügger, F. Kranzl, R. Blatt, A. M. Rey, M. K. Joshi, C. F. Roos Quantum-enhanced sensing on optical transitions through finite-range interactions Nature 621, 740 (2023). (ID: 721072)

2022

Preprint

  • H. Hainzer, D. Kiesenhofer, T. Ollikainen, Matthias Bock, F. Kranzl, Manoj K. Joshi, Goni Yoeli, Rainer Blatt, Tuvia Gefen, C. F. Roos Correlation spectroscopy with multi-qubit-enhanced phase estimation arXiv:2203.12656 (ID: 720825)

Articles

  • F. Kranzl, M. K. Joshi, C. Maier, T. Brydges, J. Franke, R. Blatt, C. F. Roos Controlling long ion strings for quantum simulation and precision measurements Phys. Rev. A 105, 52426 (2022). (ID: 720726)
  • M. K. Joshi, F. Kranzl, A. Schuckert, I. Lovas, C. Maier, R. Blatt, M. Knap, C. F. Roos Observing emergent hydrodynamics in a long-range quantum magnet Science 376, 720 (2022). (ID: 720666)

2021

Article

  • M. I. Hussain, D. Heinrich, M. Guevara-Bertsch, E. Torrontegui, J. J. Garcia-Ripoll, C. F. Roos, R. Blatt Ultraviolet Laser Pulses with Multigigahertz Repetition Rate and Multiwatt Average Power for Fast Trapped-Ion Entanglement Operations Phys. Rev. Applied 15, 24054 (2021). (ID: 720517)

2020

Articles

  • 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 New J. Phys. 22, 103013 (2020). (ID: 720512)
  • 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 New J. Phys. 21, 83025 (2019). (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)

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)

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)

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)

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)

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)

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)

2012

Articles

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)

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)

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)

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)

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)

2008

Articles

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

1997

Article

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