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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.relation.ispartofJournal of Physics A: Mathematical and Theoretical
dc.sourceWeb of Science
dc.titleFormation of bright solitons and soliton trains in a fermion-fermion mixture by modulational instabilityen
dcterms.rightsHolderIop Publishing Ltd
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
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unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt
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