Magnetic field induced singlet - triplet phase transition in quasi one-dimensional organic superconductors

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dc.creatorBelmechri, N.
dc.creatorAbramovici, G.
dc.creatorHeritier, M.
dc.creatorHaddad, S.
dc.creatorKaddour, S.
dc.date2007-09-05
dc.date.accessioned2026-07-07T08:46:38Z
dc.date.available2026-07-07T08:46:38Z
dc.descriptionWe propose a theoretical model of quasi-one-dimensional superconductors, with attractive electron-electron interactions dominant in the singlet d-wave channel and sub-dominant in the p-wave channel. We discuss, in the mean field approximation, the effect of a magnetic field applied perpendicularly to the direction of the lowest conductivity. The lowest free energy phase corresponds to a singlet d-wave symmetry in low fields, but to a triplet symmetry in high fields. A first order singlet-triplet phase transition is expected at moderate applied fields of a few teslas. We propose to ascribe the recent critical field and NMR experimental data, observed in superconducting (TMTSF)2ClO4 to such an effect.
dc.description6 pages, 2 figures, accepted in EPL
dc.identifierhttps://arxiv.org/abs/0709.0675
dc.identifierhttp://arxiv.org/abs/0709.0675
dc.identifierEPL 80 37004 (6pp) 2007
dc.identifierdoi:10.1209/0295-5075/80/37004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/143314
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleMagnetic field induced singlet - triplet phase transition in quasi one-dimensional organic superconductors
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