Spin-Triplet Superconductivity Mediated by Phonons in Quasi-One-Dimensional Systems

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dc.creatorSuginishi, Yuuichi
dc.creatorShimahara, Hiroshi
dc.date2004-07-12
dc.date2004-10-13
dc.date.accessioned2026-07-07T02:59:09Z
dc.date.available2026-07-07T02:59:09Z
dc.descriptionWe investigate the spin-triplet superconductivity mediated by phonons in quasi-one-dimensional (Q1D) systems with open Fermi surfaces. We obtain the ground state phase diagrams. It is found that spin-triplet superconductivity occurs for weak screening and strong on-site Coulomb interaction, even in the absence of any additional nonphonon pairing interactions. We find that the nodeless spin-triplet state is more favorable than the spin-triplet state with line nodes, for the parameter values of the Q1D superconductors (TMTSF)_2X. We also find that Q1D open Fermi surface, which is the specific feature of this system, plays an essential role in the pairing symmetry. We discuss the compatibility of the present results with the experimental results in these compounds.
dc.description8 pages, 15 figures, with jpsj2.cls
dc.identifierhttps://arxiv.org/abs/cond-mat/0407286
dc.identifierhttp://arxiv.org/abs/cond-mat/0407286
dc.identifierJ. Phys. Soc. Jpn. Vol.73, No.11 (2004) pp.3121-3128
dc.identifierdoi:10.1143/JPSJ.73.3121
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24399
dc.subjectSuperconductivity
dc.titleSpin-Triplet Superconductivity Mediated by Phonons in Quasi-One-Dimensional Systems
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