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Direct observation of second-order atom tunnelling

Author

Listed:
  • S. Fölling

    (Institut für Physik, Johannes Gutenberg-Universität)

  • S. Trotzky

    (Institut für Physik, Johannes Gutenberg-Universität)

  • P. Cheinet

    (Institut für Physik, Johannes Gutenberg-Universität)

  • M. Feld

    (Institut für Physik, Johannes Gutenberg-Universität)

  • R. Saers

    (Umeå University)

  • A. Widera

    (Institut für Physik, Johannes Gutenberg-Universität
    Institut für Angewandte Physik, Universität Bonn)

  • T. Müller

    (Institut für Physik, Johannes Gutenberg-Universität
    Institute of Quantum Electronics, ETH Zürich, 8093 Zürich, Switzerland)

  • I. Bloch

    (Institut für Physik, Johannes Gutenberg-Universität)

Abstract

Direct, time-resolved observations of the correlated tunnelling of two interacting ultracold atoms through a barrier in a double-well potential are reported. Second-order tunnelling events, which are found to be the dominating dynamical effect in the strongly interacting regime, have not been previously directly observed with ultracold atoms.

Suggested Citation

  • S. Fölling & S. Trotzky & P. Cheinet & M. Feld & R. Saers & A. Widera & T. Müller & I. Bloch, 2007. "Direct observation of second-order atom tunnelling," Nature, Nature, vol. 448(7157), pages 1029-1032, August.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7157:d:10.1038_nature06112
    DOI: 10.1038/nature06112
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    Cited by:

    1. Barrios, Alan J. & Valdés-Hernández, Andrea & Sevilla, Francisco J., 2022. "Dynamics of mode entanglement induced by particle-tunneling in the extended Bose–Hubbard dimer model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 600(C).

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