Composite quasiparticles in strongly correlated dipolar Fermi liquids

buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epage063623-8en_US
dc.citation.issueNumber6en_US
dc.citation.spage063623-1en_US
dc.citation.volumeNumber98en_US
dc.contributor.authorSeydi, I.en_US
dc.contributor.authorAbedinpour, S. H.en_US
dc.contributor.authorAsgari, R.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.date.accessioned2019-02-21T16:03:54Z
dc.date.available2019-02-21T16:03:54Z
dc.date.issued2018en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractStrong particle-plasmon interaction in electronic systems can lead to composite hole-plasmon excitations. We investigate the emergence of similar composite quasiparticles in ultracold dipolar Fermi liquids originating from the long-range dipole-dipole interaction. We use the G0W technique with an effective interaction obtained from the static structure factor to calculate the quasiparticle properties and single-particle spectral function. We first demonstrate that within this formalism a very good agreement with the quantum Monte Carlo results could be achieved over a wide range of coupling strengths for the renormalization constant and effective mass. The composite quasiparticle-zero sound excitations which are undamped at long wavelengths emerge at intermediate and strong couplings in the spectral function and should be detectable through the radio frequency spectroscopy of nonreactive polar molecules at high densities.
dc.description.sponsorshipWe are grateful to G. V. Shlyapnikov, G. Baskaran, and M. R. Bakhtiari for very helpful discussions. B.T. is supported by TUBA and TUBITAK. APPENDIX A:
dc.identifier.doi10.1103/PhysRevA.98.063623
dc.identifier.issn2469-9926
dc.identifier.urihttp://hdl.handle.net/11693/50144
dc.language.isoEnglish
dc.publisherAmerican Physical Society
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevA.98.063623
dc.source.titlePhysical Review Aen_US
dc.titleComposite quasiparticles in strongly correlated dipolar Fermi liquidsen_US
dc.typeArticleen_US

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