Larkin-Ovchinnikov-Fulde-Ferrell phase in the superconductor (TMTSF) 2 ClO4: Theory versus experiment

A. G. Lebed; Si Wu

doi:10.1103/PhysRevB.82.172504

Larkin-Ovchinnikov-Fulde-Ferrell phase in the superconductor (TMTSF) ₂ ClO₄: Theory versus experiment

A. G. Lebed, Si Wu

Physics

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29 Scopus citations

Abstract

We consider a formation of the Larkin-Ovchinnikov-Fulde-Ferrell (LOFF) phase in a quasi-one-dimensional (Q1D) conductor in a magnetic field, parallel to its conducting chains, where we take into account both the paramagnetic spin splitting and orbital destructive effects against superconductivity. We show that, due to a relative weakness of the orbital effects in a Q1D case, the LOFF phase appears in (TMTSF)₂ ClO₄ superconductor for real values of its Q1D band parameters. We compare our theoretical calculations with the recent experimental data by Y. Maeno's group and show that there is a good qualitative and quantitative agreement between the theory and experimental data.

Original language	English (US)
Article number	172504
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	82
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.82.172504
State	Published - Nov 10 2010

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AB - We consider a formation of the Larkin-Ovchinnikov-Fulde-Ferrell (LOFF) phase in a quasi-one-dimensional (Q1D) conductor in a magnetic field, parallel to its conducting chains, where we take into account both the paramagnetic spin splitting and orbital destructive effects against superconductivity. We show that, due to a relative weakness of the orbital effects in a Q1D case, the LOFF phase appears in (TMTSF)2 ClO4 superconductor for real values of its Q1D band parameters. We compare our theoretical calculations with the recent experimental data by Y. Maeno's group and show that there is a good qualitative and quantitative agreement between the theory and experimental data.

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Larkin-Ovchinnikov-Fulde-Ferrell phase in the superconductor (TMTSF) ₂ ClO₄: Theory versus experiment

Abstract

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