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Bose-Einstein condensates in 1D optical lattices: nonlinearity and Wannier-Stark spectra

Arimondo, Ennio and Ciampini, Donatella and Morsch, Oliver (2007) Bose-Einstein condensates in 1D optical lattices: nonlinearity and Wannier-Stark spectra. In: Nonlinearities of Periodic Structures and Metamaterials. Springer, pp. 165-180. ISBN 978-3-642-02066-7

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Abstract

We present our experimental investigations on the subject of nonlinearity-modified Bloch-oscillations and of nonlinear Landau-Zener tunneling between two energy bands in a rubidium Bose Einstein condensate in an accelerated periodic potential. Nonlinearity introduces an asymmetry in Landau-Zener tunneling. We also present measurements of resonantly enhanced tunneling between the Wannier-Stark energy levels for Bose-Einstein condensates loaded into an optical lattice.

Item Type: Book Section
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/03 - Fisica della materia
Divisions: Dipartimenti (until 2012) > DIPARTIMENTO DI FISICA " E. FERMI"
Depositing User: dott.ssa Sandra Faita
Date Deposited: 08 Apr 2015 11:01
Last Modified: 08 Apr 2015 11:01
URI: http://eprints.adm.unipi.it/id/eprint/1364

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