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Physics Letters A

Phase transition in quantum tunneling for a parameterized double-well potential

Bin Zhou, Liang Jiu-Qing, Fu‐Cho Pu

Published Jan 1, 2001• 9 citations
Publisher
DOI
10.1016/s0375-9601(00)00786-6

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Physical Review A•Sep 22, 2011•18 citations
The coherent nonlinear tunneling dynamics of a boson-fermion mixture in a double-well potential is studied in this paper. Four types of phase are found for the mixture. The first one is two species localizing in different potential wells. The second one is two species coexisting in the same well. The third one is two species equally populated in two wells. The fourth one is one species equally populated in two wells while the other species is in one well. The phase transitions among these four states have been investigated. The interspecies and intraspecies interactions as well as bosonic and fermionic numbers can dramatically affect these phase transitions.