Magnetic field dependence of the superconducting fluctuation contribution to NMR-NQR relaxation

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dc.creatorMosconi, P.
dc.creatorRigamonti, A.
dc.creatorVarlamov, A. A.
dc.date2000-03-07
dc.date.accessioned2026-07-07T02:36:58Z
dc.date.available2026-07-07T02:36:58Z
dc.descriptionThe dependence of the Maki-Thompson (MT) and of the density of states depletion (DOS) contributions from superconducting fluctuations (SF) to NMR-NQR relaxation is derived in the framework of the diagrammatic theory, applied to layered three dimensional (3D) high T_c superconductors. The regularization procedure devised for the conductivity (Buzdin and Varlamov, Phys. Rev. B, 58, 14195 (1998)) is used in order to avoid the divergence of the DOS term. The theoretical results are discussed in the light of NMR-NQR measurements in YBCO and compared with the recent theory (Eschrig et al., Phys. Rev. B 59, 12095 (1999)), based on the assumption of a purely 2D spectrum of fluctuations.
dc.description11 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0003103
dc.identifierhttp://arxiv.org/abs/cond-mat/0003103
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16122
dc.subjectSuperconductivity
dc.titleMagnetic field dependence of the superconducting fluctuation contribution to NMR-NQR relaxation
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