FFLO Superfluids in 2d Spin-Orbit Coupled Fermi Gases

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dc.contributor.authorZheng, Zhenen_US
dc.contributor.authorGong, Mingen_US
dc.contributor.authorZhang, Yichaoen_US
dc.contributor.authorZou, Xuboen_US
dc.contributor.authorZhang, Chuanweien_US
dc.contributor.authorGuo, Guangcanen_US
dc.contributor.utdAuthorZhang, Chuanweien_US
dc.date.accessioned2014-11-25T20:17:33Z
dc.date.available2014-11-25T20:17:33Z
dc.date.created2014-10-07en_US
dc.date.issued2014-10-07en_US
dc.description.abstractWe show that the combination of spin-orbit coupling and in-plane Zeeman field in a two-dimensional degenerate Fermi gas can lead to a larger parameter region for Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phases than that using spin-imbalanced Fermi gases. The resulting FFLO superfluids are also more stable due to the enhanced energy difference between FFLO and conventional Bardeen-Cooper-Schrieffer (BCS) excited states. We clarify the crucial role of the symmetry of Fermi surface on the formation of finite momentum pairing. The phase diagram for FFLO superfluids is obtained in the BCS-BEC crossover region and possible experimental observations of FFLO phases are discussed.en_US
dc.description.sponsorshipNational 973Fundamental Research Program (Grant No. 2011c-ba00200); National Natural Science Foundation of China (Grant No. 11074244 and No. 11274295); ARO (W911NF-12-1-0334); DARPA-YFA (N66001-10-1-4025); NSF-PHY (1249293); Hong Kong RGC/GRF Projects (No. 401011 and No. 2130352).en_US
dc.identifier.bibliographicCitationZheng, Zhen, Ming Gong, Yichao Zhang, Xubo Zou, et al. 2014. "FFLO Superfluids in 2D spin-orbit coupled Fermi gases." Scientific Reports 4(06535): 1-7.en_US
dc.identifier.issn2045-2322en_US
dc.identifier.issue6535en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4223
dc.identifier.volume4en_US
dc.relation.urihttp://dx.doi.org/10.1038/srep06535
dc.rightsCC BY 4.0 (Attribution)en_US
dc.rightsThe Authorsen_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.sourceScientific Reports
dc.subjectSuperconductorsen_US
dc.subjectFulde-Ferrell-Larkin-Ovchinnikov superfluidsen_US
dc.subjectBardeen-Cooper-Schrieffer excited statesen_US
dc.subjectCooper pairen_US
dc.subjectFermi gasen_US
dc.titleFFLO Superfluids in 2d Spin-Orbit Coupled Fermi Gasesen_US
dc.type.genreArticleen_US

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