Publications

Publications of the Hybrid atom-ion Quantum Systems group:

  1. Prospects of reaching the quantum regime in Li-Yb+ mixtures, H. A. Fürst, N. V. Ewald, T. Secker, J. Joger, T. Feldker and R. Gerritsma, arXiv:1804.04486 (2018).
  2. Dynamics of a single ion spin impurity in a spin-polarized atomic bath, Henning Fürst, Thomas Feldker, Norman Vincenz Ewald, Jannis Joger, Michał Tomza and Rene Gerritsma, arXiv:1712.07873 (2017).
  3. Spectroscopy of the S1/2P3/2 transition in Yb II: Isotope shifts, hyperfine splitting and branching ratios, T. Feldker, H. Fürst, N. V. Ewald, J. Joger and Rene Gerritsma,   Phys. Rev. A 97, 032511 (2018).
  4. Cold hybrid ion-atom systems, Michał Tomza, Krzysztof Jachymski, Rene Gerritsma, Antonio Negretti, Tommaso Calarco, Zbigniew Idziaszek and Paul S. Julienne, arXiv:1708.07832 (2017).
  5. Observation of collisions between cold Li atoms and Yb+ ions, J. Joger, H. Fürst, N. Ewald, T. Feldker, M. Tomza and R. Gerritsma, Phys. Rev. A 96, 030703(R) (2017).
  6. Trapped ions in Rydberg-dressed atomic gases, T. Secker, N. Ewald, J. Joger, H. Fürst, T. Feldker and R. Gerritsma Phys. Rev. Lett. 118, 263201 (2017).
  7. Controlled long-range interactions between Rydberg atoms and ions, T. Secker, R. Gerritsma, A. W. Glaetzle, and A. Negretti Phys. Rev. A 94, 013420 (2016).
  8. Impact of many-body correlations on the dynamics of an ion-controlled bosonic Josephson junction, J. M. Schurer, R. Gerritsma, P. Schmelcher, and A. Negretti Phys. Rev. A 93, 063602 (2016).
  9. Rydberg excitation of a single trapped ion, T. Feldker, P. Bachor, M. Stappel, D. Kolbe, R. Gerritsma, J. Walz and F. Schmidt-Kaler, Phys. Rev. Lett. 115, 173001 (2015).
  10. Hexagonal plaquette spin-spin interactions and quantum magnetism in a two-dimensional ion crystal, R. Nath, M. Dalmonte, A. W. Glaetzle, P. Zoller, F. Schmidt-Kaler and R. Gerritsma, New J. Phys. 17, 065018 (2015).
  11. Generalized Kronig-Penney model for ultracold atomic quantum systems, A. Negretti, R. Gerritsma, Z. Idziaszek, F. Schmidt-Kaler, and T. Calarco, Phys. Rev. B 90, 155426 (2014).
  12. Quantum dynamics of an atomic double-well system interacting with a trapped ion, J. Joger, A. Negretti and R. Gerritsma, Phys. Rev. A 89, 063621 (2014).
  13. Emulating solid-state physics with a hybrid system of ultracold ions and atoms, U. Bissbort, D. Cocks, A. Negretti, Z. Idziaszek, T. Calarco, F. Schmidt-Kaler, W. Hofstetter and R. Gerritsma, Physical Review Letters 111, 080501 (2013).
  14. Entangled states of trapped ions allow measuring the magnetic field gradient of a single atomic spin, F. Schmidt-Kaler and R. Gerritsma, Europhysics Letters 99, 53001 (2012).
  15. Bosonic Josephson Junction Controlled by a Single Trapped Ion, R. Gerritsma, A. Negretti, H. Doerk, Z. Idziaszek, T. Calarco and F. Schmidt-Kaler, Physical Review Letters 109, 080402 (2012).
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    Older work:
  16. Entanglement-enhanced detection of single-photon scattering events, C. Hempel, B. P. Lanyon, P. Jurcevic, R. Gerritsma, R. Blatt, C. F. Roos, Nature Photonics 7, 630, (2013).
  17. Universal digital quantum simulation with trapped ions, B. P. Lanyon, C. Hempel, D. Nigg, M. Müller, R. Gerritsma, F. Zähringer, P. Schindler, J. Barreiro, M. Rambach, G. Kirchmair, M. Hennrich, P. Zoller, R. Blatt and C. F. Roos, Science 334, 57 (2011).
  18. Quantum Simulation of Quantum Field Theories in Trapped Ions, J. Casanova, L. Lamata, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll and E. Solano, Phys. Rev. Lett. 107, 260501 (2011).
  19. Quantum simulation of the Majorana equation and unphysical operations, J. Casanova, C. Sabin, J. Leon, I. L. Egusquiza, R. Gerritsma, C. F. Roos, J. J. García-Ripoll and E. Solano, Phys. Rev. X 1, 021018 (2011).
  20. Relativistic quantum mechanics with trapped ions, L. Lamata, J. Casanova, R. Gerritsma, C. F. Roos, J. J. García-Ripoll and E. Solano, New. J. Phys. 13, 095003 (2011).
  21. Quantum simulation of the Klein paradox with trapped ions, R. Gerritsma, B. Lanyon, G. Kirchmair, F. Zähringer, C. Hempel, J. Casanova, J. J. García-Ripoll, E. Solano, R. Blatt and C. F. Roos, Phys. Rev. Lett. 106, 060503 (2011).
  22. Klein tunneling and Dirac potentials in trapped ions, J. Casanova, J. J. García-Ripoll, R. Gerritsma, C. F. Roos and E. Solano, Phys. Rev. A 82, 020101(R) (2010).
  23. Compatibility and noncontextuality for sequential measurements, O. Gühne, M. Kleinmann, A. Cabello, J.-A. Larsson, G. Kirchmair, F. Zähringer, R. Gerritsma and C.F. Roos, Phys. Rev. A 81, 022121 (2010).
  24. Realization of a quantum walk with one and two trapped ions, F. Zähringer, G. Kirchmair, R. Gerritsma, E. Solano, R. Blatt and C. F. Roos, Phys. Rev. Lett. 104, 100503 (2010).
  25. Quantum simulation of the Dirac equation, R. Gerritsma, G. Kirchmair, F. Zähringer, E. Solano, R. Blatt and C. F. Roos, Nature 463, 68 (2010).
  26. State-independent experimental test of quantum contextuality, G. Kirchmair, F. Zähringer, R. Gerritsma, M. Kleinmann, O. Gühne, A. Cabello, R. Blatt and C. F. Roos, Nature 460, 494 (2009).
  27. High fidelity entanglement of 43Ca+ hyperfine clock states, G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. F. Roos and R. Blatt, Phys. Rev. A 79, 020304(R) (2009).
  28. Deterministic entanglement of ions in thermal states of motion, G. Kirchmair, J. Benhelm, F. Zähringer, R. Gerritsma, C. F. Roos and R. Blatt, New J. Phys. 11, 023002 (2009).
  29. Two-dimensional array of microtraps with atomic shift register on a chip, S. Whitlock, R. Gerritsma, T. Fernholz and R. J. C. Spreeuw, New J. Phys. 11, 023021 (2009).
  30. Precision measurement of the branching fractions of the 4P3/2 decay of Ca II, R. Gerritsma, G. Kirchmair, F. Zähringer, J. Benhelm, R. Blatt and C. F. Roos, Eur. Phys. J. D 50, 13 (2008).
  31. Fully permanent magnet atom chip for Bose- Einstein condensation, T. Fernholz, R. Gerritsma, S. Whitlock, I. Barb and R. J. C. Spreeuw, Phys. Rev. A 77, 033409 (2008).
  32. Lattice of microtraps for ultracold atoms based on patterned magnetic films, R. Gerritsma, S. Whitlock, T. Fernholz, H. Schlatter, J. A. Luigjes, J.- U. Thiele, J. B. Goedkoop and R. J. C. Spreeuw, Phys. Rev. A 76, 033408 (2007).
  33. Fabrication of magnetic atom chips based on FePt, Y. T. Xing, I. Barb, R. Gerritsma, R. J. C. Spreeuw, H. Luigjes, Q.F. Xiao, C. Rétif and J. B. Goedkoop, J. Magn. Magn. Mater. 313, 192 (2007).
  34. Dynamically controlled toroidal and ring-shaped magnetic traps, T. Fernholz, R. Gerritsma, P. Krüger and R. J. C. Spreeuw, Phys. Rev. A 75, 063406 (2007).
  35. Topological constraints on magnetostatic traps, R. Gerritsma and R. J. C. Spreeuw, Phys. Rev. A 74, 043405 (2006).
  36. Creating Ioffe-Pritchard micro-traps from permanent magnetic film with in-plane magnetization, I. Barb, R. Gerritsma, Y.T. Xing, J. B. Goedkoop and R. J. C. Spreeuw, Eur. Phys. J. D 35, 75 (2005).