Investigating dirty crossover through fidelity suscepribility and density of states

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buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epage1450083-12en_US
dc.citation.issueNumber14en_US
dc.citation.spage1450083-1en_US
dc.citation.volumeNumber28en_US
dc.contributor.authorKhan, A.en_US
dc.contributor.authorBasu, S.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.date.accessioned2015-07-28T12:02:14Z
dc.date.available2015-07-28T12:02:14Z
dc.date.issued2014en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe investigate the BCS-BEC crossover in an ultracold atomic gas in the presence of disorder. The disorder is incorporated in the mean-field formalism through Gaussian fluctuations. We observe evolution to an asymmetric line-shape of fidelity susceptibility (FS) as a function of interaction coupling with increasing disorder strength which may point to an impending quantum phase transition (QPT). The asymmetric line-shape is further analyzed using the statistical tools of skewness and kurtosis. We extend our analysis to density of states (DOS) for a better understanding of the crossover in the disordered environment.en_US
dc.identifier.doi10.1142/S0217979214500830en_US
dc.identifier.eissn1793-6578
dc.identifier.issn0217-9792
dc.identifier.urihttp://hdl.handle.net/11693/12623
dc.language.isoEnglishen_US
dc.publisherWorld Scientific Publishingen_US
dc.relation.isversionofhttp://dx.doi.org/10.1142/S0217979214500830en_US
dc.source.titleInternational Journal of Modern Physics Ben_US
dc.subjectBcs-bec Crossoveren_US
dc.subjectFidelity susceptibilityen_US
dc.subjectDisorderen_US
dc.titleInvestigating dirty crossover through fidelity suscepribility and density of statesen_US
dc.typeArticleen_US

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