Anomalous fluctuation regimes at the FFLO transition

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dc.creatorKonschelle, Francois
dc.creatorCayssol, Jerome
dc.creatorBuzdin, Alexandre I.
dc.date2006-12-15
dc.date2008-02-21
dc.date.accessioned2026-07-07T09:22:07Z
dc.date.available2026-07-07T09:22:07Z
dc.descriptionRecently some experimental evidences have been obtained in favour of the existence of the inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconducting state in heavy-fermion superconductor CeCoIn_{5} and organic superconductor -(BETS)_{2}FeCl_{4}. However the unambiguous identification of FFLO state remains very difficult. We present the theoretical studies of the Gaussian fluctuations near the tricritical point (where the FFLO modulation appears) and demonstrate that the behavior of the fluctuational specific heat, paraconductivity and diamagnetism is qualitatively different from the usual superconducting transition. Special values of the critical exponent and the crossovers between different fluctuational regimes may provide a unique test for the FFLO state appearance.
dc.description6 pages, 2 figures. Work supported by ANR Extreme Conditions Correlated Electrons (ANR-06-BLAN-0220)
dc.identifierhttps://arxiv.org/abs/cond-mat/0612387
dc.identifierhttp://arxiv.org/abs/cond-mat/0612387
dc.identifierEurophys. Lett. 79, p. 67001 (2007)
dc.identifierdoi:10.1209/0295-5075/79/67001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/155266
dc.subjectSuperconductivity
dc.subjectStatistical Mechanics
dc.titleAnomalous fluctuation regimes at the FFLO transition
dc.typetext

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