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Type: Artigo de periódico
Title: Phase transition, entanglement and squeezing in a triple-well condensate
Author: Viscondi, TF
Furuya, K
de Oliveira, MC
Abstract: We provide an in-depth characterization of a three-mode Bose-Einstein condensate trapped in a symmetric circular triple-well potential. We show how the purity related to the su(3) algebra scales for increasing number of atoms and signals the quantum phase transition between two dynamical regimes in a specific configuration. This measure, which is intrinsically related to particle entanglement, also depicts if some squeezing is occurring when we consider the system's ground state. Unlike the well-known double-well model, the triple-well model exhibits a first-order quantum phase transition, which could be investigated with the current trapping technology. Copyright (C) EPLA, 2010
Country: França
Editor: Epl Association, European Physical Society
Rights: aberto
Identifier DOI: 10.1209/0295-5075/90/10014
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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