Thermalization and localization of an oscillating Bose-Einstein condensate in a disordered trap

Che Hsiu Hsueh, Russell Ong, Jing Fu Tseng, Makoto Tsubota, Wen Chin Wu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We numerically simulate an oscillating Bose-Einstein condensate in a disordered trap [Phys. Rev. A 82, 033603 (2010)PLRAAN1050-294710.1103/PhysRevA.82.033603] and the results are in good agreement with the experiment. It shows that the disorder acts as a medium, which results in a relaxation from nonequilibrium to equilibrium, i.e., thermalization. An algebraic localization is realized when the system approaches the equilibrium, and if the system falls into the regime when the healing length of the condensate exceeds the correlation length of the disorder, exponential Anderson localization is to be observed.

Original languageEnglish
Article number063613
JournalPhysical Review A
Volume98
Issue number6
DOIs
Publication statusPublished - 2018 Dec 10

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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