Quantum quench in an atomic one-dimensional Ising chain

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Meinert, F. and Mark, M.J. and Kirilov, E. and Lauber, K. and Weinmann, P. and Daley, A.J. and Nägerl, H.-C. (2013) Quantum quench in an atomic one-dimensional Ising chain. Physical Review Letters, 111 (5). 053003. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.111.053003)

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Abstract

We study nonequilibrium dynamics for an ensemble of tilted one-dimensional atomic Bose-Hubbard chains after a sudden quench to the vicinity of the transition point of the Ising paramagnetic to antiferromagnetic quantum phase transition. The quench results in coherent oscillations for the orientation of effective Ising spins, detected via oscillations in the number of doubly occupied lattice sites. We characterize the quench by varying the system parameters. We report significant modification of the tunneling rate induced by interactions and show clear evidence for collective effects in the oscillatory response.

ORCID iDs

Meinert, F., Mark, M.J., Kirilov, E., Lauber, K., Weinmann, P., Daley, A.J. ORCID logoORCID: https://orcid.org/0000-0001-9005-7761 and Nägerl, H.-C.;
  • Item type:Article
    ID code:45147
    Dates:
    Date
    Event
    31 July 2013
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:15 Oct 2013 08:50
    Last modified:12 Dec 2024 02:50
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/45147
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