Negative superfluid densities in superconducting films in a parallel magnetic field

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dc.creatorZhou, F.
dc.creatorSpivak, B.
dc.date1998-01-29
dc.date.accessioned2026-07-07T03:09:53Z
dc.date.available2026-07-07T03:09:53Z
dc.descriptionIn this paper we develop a theory of mesoscopic fluctuations in disordered thin superconducting films in a parallel magnetic field. At zero temperature and sufficiently strong magnetic field the system undergoes a phase transition into a state characterized by a superfluid density, which is random in sign. Consequently, in this region, random supercurrents are spontaneously created in the ground state of the system, and it belongs to the same universality class as the two dimensional XY spin glass with a random sign of the exchange interaction.
dc.description12 Latex pages, 2 eps figures, submitted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/9801315
dc.identifierhttp://arxiv.org/abs/cond-mat/9801315
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28059
dc.subjectSuperconductivity
dc.subjectMesoscale and Nanoscale Physics
dc.titleNegative superfluid densities in superconducting films in a parallel magnetic field
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