Publications

Publications of the Hybrid atom-ion Quantum Systems group:

  1. Efficient state preparation for metrology and quantum error correction with global control, Liam J. Bond, Matthew J. Davis, Jiří Minář, Rene Gerritsma, Gavin K. Brennen and Arghavan Safavi-Naini, arXiv:2312.05060 (2023).
  2. Trapped ions quantum logic gate with optical tweezers and the Magnus effect, M. Mazzanti, R. Gerritsma, R. J. C. Spreeuw and A. Safavi-Naini, Phys. Rev. Research 5, 033036 (2023).
  3. Trap-assisted complexes in cold atom-ion collisions, H. Hirzler, E. Trimby, R. Gerritsma, A. Safavi-Naini and J. Pérez-Ríos, Phys. Rev. Lett. 130, 143003 (2023).
  4. Ultracold ion-atom experiments: cooling, chemistry, and quantum effects, Rianne Lous and Rene Gerritsma, Advances In Atomic, Molecular, and Optical Physics 71, 65-133 (2022).
  5. The Effect of Micromotion and Local Stress in Quantum simulation with Trapped Ions in Optical Tweezers, Liam Bond, Lisa Lenstra, Rene Gerritsma and Arghavan Safavi-Naini, Phys. Rev. A 106, 042612 (2022).
  6. Observation of chemical reactions between a trapped ion and ultracold Feshbach dimers,
    H. Hirzler, R.S. Lous, E. Trimby, J. Pérez-Ríos, A. Safavi-Naini and R. Gerritsma, Phys. Rev. Lett. 128, 103401 (2022).
  7. Buffer gas cooling of ions in time-dependent traps using ultracold atoms, E. Trimby, H. Hirzler, H. Fürst, A. Safavi-Naini, R. Gerritsma and R. S. Lous, New Journal of Physics 24, 035004 (2022).
  8. Dynamics of a trapped ion in a quantum gas: effects of particle statistics, Lorenzo Oghittu, Melf Johannsen, Rene Gerritsma and Antonio Negretti, Phys. Rev. A 104, 053314 (2021).
  9. Trapped ion quantum computing using optical tweezers and electric fields, M. Mazzanti, R. X. Schüssler, J. D. Arias Espinoza, Z. Wu, R. Gerritsma and A. Safavi-Naini, Phys. Rev. Lett. 127, 260502 (2021).
  10. Engineering spin-spin interactions with optical tweezers in trapped ions,
    Juan Diego Arias Espinoza, Matteo Mazzanti, Katya Fouka, Rima X. Schüssler, Zhenlin Wu, Philippe Corboz, Rene Gerritsma and Arghavan Safavi-Naini, Phys. Rev. A 104, 013302 (2021).
  11. Rydberg atom-ion collisions in cold environments, Henrik Hirzler and Jesús Pérez-Ríos, Phys. Rev. A 103, 043323 (2021).
  12. A high-fidelity method for a single-step N-bit Toffoli gate in trapped ions.
    Juan Diego Arias Espinoza, Koen Groenland, Matteo Mazzanti, Kareljan Schoutens and Rene Gerritsma, Phys. Rev. A 103, 052437 (2021)
  13. Controlling the nature of a charged impurity in a bath of Feshbach dimers
    H. Hirzler, E. Trimby, R. S. Lous, G. C. Groenenboom, R. Gerritsma and J. Pérez-Ríos, Phys. Rev. Research 2, 033232 (2020).
  14. Experimental setup for studying an ultracold mixture of trapped Yb+/Li
    H. Hirzler, T. Feldker, H. Fürst, N. V. Ewald, E. Trimby, R. S. Lous, J. D. Arias Espinoza, M. Mazzanti, J. Joger and R. Gerritsma, Phys. Rev. A 102, 033109 (2020).
  15. Phonon-mediated spin-spin interactions between trapped Rydberg atoms R. V. Skannrup, R. Gerritsma and S. J. J. M. F. Kokkelmans, arXiv:2008.13622 (2020).
  16. Buffer gas cooling of a trapped ion to the quantum regime, T. Feldker, H. Fürst, H. Hirzler, N. V. Ewald, M. Mazzanti, D. Wiater, M. Tomza and R. Gerritsma, Nature Physics 16, 413–416 (2020).
  17. Signal processing techniques for efficient compilation of controlled rotations in trapped ions, K. Groenland, F. Witteveen, K. Schoutens and R. Gerritsma, New J. Phys 22, 063006 (2020).
  18. Single-step implementation of high fidelity n-bit Toffoli gate, S. E. Rasmussen, K. Groenland, R. Gerritsma, K. Schoutens and N. T. Zinner, Phys. Rev. A 101, 022308 (2020).
  19. Observation of interactions between trapped ions and ultracold Rydberg atoms, N. V. Ewald, T. Feldker, H. Hirzler, H. Fürst, R. Gerritsma, Phys. Rev. Lett. 122, 253401 (2019).
  20. Cold hybrid ion-atom systems, Michał Tomza, Krzysztof Jachymski, Rene Gerritsma, Antonio Negretti, Tommaso Calarco, Zbigniew Idziaszek and Paul S. Julienne, Rev. Mod. Phys. 91, 035001 (2019).
  21. 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, J. Phys. B: At. Mol. Opt. Phys. 51 195001 (2018).
  22. 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, Phys. Rev. A 98, 012713 (2018).
  23. Spectroscopy of the S1/2→P3/2 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).
  24. 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).
  25. 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).
  26. 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).
  27. 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).
  28. 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).
  29. 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).
  30. 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).
  31. 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).
  32. 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).
  33. 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).
  34. 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:
  35. 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).
  36. 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).
  37. 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).
  38. 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).
  39. 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).
  40. 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).
  41. 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).
  42. 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).
  43. 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).
  44. Quantum simulation of the Dirac equation, R. Gerritsma, G. Kirchmair, F. Zähringer, E. Solano, R. Blatt and C. F. Roos, Nature 463, 68 (2010).
  45. 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).
  46. 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).
  47. 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).
  48. 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).
  49. 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).
  50. 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).
  51. 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).
  52. 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).
  53. 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).
  54. Topological constraints on magnetostatic traps, R. Gerritsma and R. J. C. Spreeuw, Phys. Rev. A 74, 043405 (2006).
  55. 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).