Ginzburg-Landau slopes of the anisotropic upper critical magnetic field and band parameters in the superconductor (TMTSF) 2ClO 4

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Abstract

We theoretically determine the Ginzburg-Landau slopes of the anisotropic upper critical magnetic field in a quasi-one-dimensional superconductor and correct the previous works on this issue. By using the experimentally measured values of the Ginzburg-Landau slopes in the superconductor (TMTSF)ClO 4, we determine band parameters of its electron spectrum. Our main result is that the so-called quantum dimensional crossover has to happen in this material in magnetic fields, H = 3-8 T, which are much lower than the previously assumed. We discuss how this fact influences metallic and superconducting properties of the (TMTSF) 2ClO 4.

Original languageEnglish (US)
Pages (from-to)689-692
Number of pages4
JournalJETP Letters
Volume94
Issue number9
DOIs
StatePublished - Jan 1 2012

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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