Mixing-demixing transition and collapse of a vortex state in a quasi-two-dimensional boson-fermion mixture

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversità di Padova-
Autor(es): dc.creatorAdhikari, Sadhan K.-
Autor(es): dc.creatorSalasnich, Luca-
Data de aceite: dc.date.accessioned2025-08-21T19:06:22Z-
Data de disponibilização: dc.date.available2025-08-21T19:06:22Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2007-05-08-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.75.053603-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224925-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224925-
Descrição: dc.descriptionWe investigate the mixing-demixing transition and the collapse in a quasi-two-dimensional degenerate boson-fermion mixture (DBFM) with a bosonic vortex. We solve numerically a quantum-hydrodynamic model based on a new density functional which accurately takes into account the dimensional crossover. It is demonstrated that with the increase of interspecies repulsion, a mixed state of DBFM could turn into a demixed state. The system collapses for interspecies attraction above a critical value which depends on the vortex quantum number. For interspecies attraction just below this critical limit there is almost complete mixing of boson and fermion components. Such mixed and demixed states of a DBFM could be experimentally realized by varying an external magnetic field near a boson-fermion Feshbach resonance, which will result in a continuous variation of interspecies interaction. © 2007 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica UNESP-São Paulo State University, 01.405-900 Sao Paulo, Sao Paulo-
Descrição: dc.descriptionCNISM CNR-INFM Università di Padova, Via Marzolo 8, 35131 Padova-
Descrição: dc.descriptionInstituto de Física Teórica UNESP-São Paulo State University, 01.405-900 Sao Paulo, Sao Paulo-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A - Atomic, Molecular, and Optical Physics-
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Título: dc.titleMixing-demixing transition and collapse of a vortex state in a quasi-two-dimensional boson-fermion mixture-
Tipo de arquivo: dc.typelivro digital-
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