Probing the dynamics of Bose-Einstein condensates via boundary dissipation

Year: 2007

Authors: Franzosi R., Livi R., Oppo G. L.

Autors Affiliation: [1] Dipartimento di Fisica and CNR-INFM, Università di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy
[2] Dipartimento di Fisica, INFN and CNR-INFM, Univerisià di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy
[3] SUPA and Department of Physics, University of Strathclyde, Glasgow G4 ONG, UK
[3] Centro Studi Dinamiche Complesse, Univerisià di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy

Abstract: A model of a Bose-Einstein condensate in an optical lattice provided with dissipative boundary conditions is studied. We show how measurements on the emitted atoms can be exploited for determining the presence, nature and interaction of localized states inside the lattice. A travelling breather can, for example, determine presence and position of self-trapped stationary states through periodic bounces at the lossy boundaries. By measuring densities and phases of the emitted atoms, multi-breather states and breather interactions are characterized.

Journal/Review: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Volume: 40 (6)      Pages from: 1195  to: 1210

KeyWords: Atomic physics; Boundary conditions; Electron energy levels; Optical materials, Dissipative boundary conditions; Localized states; Optical lattice, Bose-Einstein condensation
DOI: 10.1088/0953-4075/40/6/010

Citations: 20
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