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Universality and anomalous mean-field breakdown of symmetry-breaking transitions in a coupled two-component Bose-Einstein condensate

Li (Lee), Chaohong

Description

We study both mean-field and full quantum dynamics of symmetry-breaking transitions (SBTs) in a coupled two-component Bose-Einstein condensate. By controlling s-wave scattering lengths and the coupling strength, it is possible to stimulate SBTs between normal and spontaneously polarized ground states. In static transitions, the probability maxima of full quantum ground states correspond to the mean-field ground states. In dynamical transitions, due to the vanishing of excitation gaps, the...[Show more]

CollectionsANU Research Publications
Date published: 2009-02-18
Type: Journal article
URI: http://hdl.handle.net/10440/953
http://digitalcollections.anu.edu.au/handle/10440/953
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.102.070401

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