Many-Body Interband Tunneling as a Witness of Complex Dynamics in the Bose-Hubbard Model

Tomadin, Andrea and Mannella, Riccardo and Wimberger, Sandro (2007) Many-Body Interband Tunneling as a Witness of Complex Dynamics in the Bose-Hubbard Model. Physical review letters, 98 (13). ISSN 0031-9007

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Abstract

A perturbative model is studied for the tunneling of many-particle states from the ground band to the first excited energy band, mimicking Landau-Zener decay for ultracold, spinless atoms in quasi-one-dimensional optical lattices subjected to a tunable tilting force. The distributions of the computed tunneling rates provide an independent and experimentally accessible signature of the regular-chaotic transition in the strongly correlated many-body dynamics of the ground band.

Item Type:
Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100
Subjects:
ID Code:
129022
Deposited By:
Deposited On:
22 Nov 2018 09:38
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Nov 2020 06:21