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dc.contributor.authorAdhikari, Sadhan K.-
dc.identifier.citationJournal of Physics A-mathematical and Theoretical. Bristol: Iop Publishing Ltd, v. 40, n. 11, p. 2673-2687, 2007.-
dc.description.abstractWe employ a time- dependent mean- field- hydrodynamic model to study the generation of bright solitons in a degenerate fermion - fermion mixture in a cigar- shaped geometry using variational and numerical methods. Due to a strong Pauli- blocking repulsion among identical spin- polarized fermions at short distances there cannot be bright solitons for repulsive interspecies interactions. Employing a linear stability analysis we demonstrate the formation of stable solitons due to modulational instability of a constant-amplitude solution of the model equations for a sufficiently attractive interspecies interaction. We perform a numerical stability analysis of these solitons and also demonstrate the formation of soliton trains by jumping the effective interspecies interaction from repulsive to attractive. These fermionic solitons can be formed and studied in laboratory with present technology.en
dc.publisherIop Publishing Ltd-
dc.sourceWeb of Science-
dc.titleFormation of bright solitons and soliton trains in a fermion-fermion mixture by modulational instabilityen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationSão Paulo State Univ, UNESP, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationUnespSão Paulo State Univ, UNESP, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Physics A: Mathematical and Theoretical-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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