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Quantum phase transitions in an interacting atom-molecule boson model
dc.contributor.author | Santos Filho, Gilberto Nascimento | pt_BR |
dc.contributor.author | Foerster, Angela | pt_BR |
dc.contributor.author | Links, Jon | pt_BR |
dc.contributor.author | Mattei, Eduardo Cerutti | pt_BR |
dc.contributor.author | Dahmen, Silvio Renato | pt_BR |
dc.date.accessioned | 2014-10-09T02:13:15Z | pt_BR |
dc.date.issued | 2010 | pt_BR |
dc.identifier.issn | 1050-2947 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/104318 | pt_BR |
dc.description.abstract | We study the quantum phase transitions of a model that describes the interconversion of interacting bosonic atoms and molecules. Using a classical analysis, we identify a threshold coupling line separating a molecular phase and a mixed phase. Through studies of the energy gap, von Neumann entanglement entropy, and fidelity, we give evidence that this line is associated with a boundary line in the ground-state phase diagram of the quantum system. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Physical review. A, Atomic, molecular, and optical physics. New York. Vol. 81, no. 6 (June 2010), 063621, 6 p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | Física da matéria condensada | pt_BR |
dc.subject | Sistemas de bósons | pt_BR |
dc.subject | Transformações de fase | pt_BR |
dc.subject | Entropia | pt_BR |
dc.subject | Termodinâmica | pt_BR |
dc.title | Quantum phase transitions in an interacting atom-molecule boson model | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 000749984 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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