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Many-body interband tunneling as a witness for complex dynamics in the Bose-Hubbard model

Tomadin, Andrea and Mannella, Riccardo and Wimberger, Sandro (2007) Many-body interband tunneling as a witness for complex dynamics in the Bose-Hubbard model. Physical review letters, 98 (13). p. 130402. ISSN 0031-9007

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Abstract

SUMMARY 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: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/03 - Fisica della materia
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 30 Jul 2013 10:30
Last Modified: 30 Jul 2013 10:32
URI: http://eprints.adm.unipi.it/id/eprint/1305

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