Publication:
Quantum-metric contribution to the pair mass in spin-orbit-coupled Fermi superfluids

dc.contributor.departmentDepartment of Physics
dc.contributor.kuauthorIşkın, Menderes
dc.contributor.schoolcollegeinstituteCollege of Sciences
dc.date.accessioned2024-11-09T13:13:28Z
dc.date.issued2018
dc.description.abstractAs a measure of the quantum distance between Bloch states in the Hilbert space, the quantum metric was introduced to solid-state physics through the real part of the so-called geometric Fubini-Study tensor, the imaginary part of which corresponds to the Berry curvature measuring the emergent gauge field in momentum space. Here, we first derive the Ginzburg-Landau theory near the critical superfluid transition temperature and then identify and analyze the geometric effects on the effective mass tensor of the Cooper pairs. By showing that the quantum-metric contribution accounts for a sizable fraction of the pair mass in a surprisingly large parameter regime throughout the BCS-Bose-Einstein condensate crossover, we not only reveal the physical origin of its governing role in the superfluid density tensor but also hint at its plausible roles in many other observables.
dc.description.fulltextYES
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.issue3
dc.description.openaccessYES
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuTÜBİTAK
dc.description.sponsorshipBAGEP award of the Turkish Science Academy
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TÜBİTAK)
dc.description.versionPublisher version
dc.description.volume97
dc.identifier.doi10.1103/PhysRevA.97.033625
dc.identifier.eissn2469-9934
dc.identifier.embargoNO
dc.identifier.filenameinventorynoIR01440
dc.identifier.issn2469-9926
dc.identifier.quartileQ1
dc.identifier.scopus2-s2.0-85044961388
dc.identifier.urihttps://hdl.handle.net/20.500.14288/2940
dc.identifier.wos428500600011
dc.keywordsUltracold fermions
dc.keywordsBands
dc.keywordsRealization
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofPhysical Review A
dc.relation.urihttp://cdm21054.contentdm.oclc.org/cdm/ref/collection/IR/id/8041
dc.subjectOptics
dc.subjectPhysics, atomic, molecular and chemical
dc.titleQuantum-metric contribution to the pair mass in spin-orbit-coupled Fermi superfluids
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorIşkın, Menderes
local.publication.orgunit1College of Sciences
local.publication.orgunit2Department of Physics
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