Orbital effect for the Fulde-Ferrell-Larkin-Ovchinnikov phase in a quasi-two-dimensional superconductor in a parallel magnetic field

A. G. Lebed
Phys. Rev. B 97, 144504 – Published 4 April 2018

Abstract

We theoretically study the orbital destructive effect against superconductivity in a parallel magnetic field in the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO or LOFF) phase at zero temperature in a quasi-two-dimensional (Q2D) conductor. We demonstrate that at zero temperature a special parameter, λ=l(H)/d, is responsible for strength of the orbital effect, where l(H) is a typical “size” of the quasiclassical electron orbit in a magnetic field and d is the interplane distance. We discuss applications of our results to the existing experiments on the FFLO phase in the organic Q2D conductors κ(ET)2Cu(NCS)2 and κ(ET)2Cu[N(CN)2]Cl.

  • Received 22 January 2018
  • Revised 16 March 2018

DOI:https://doi.org/10.1103/PhysRevB.97.144504

©2018 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Condensed Matter, Materials & Applied Physics

Authors & Affiliations

A. G. Lebed*

  • Department of Physics, University of Arizona, 1118 E. 4-th Street, Tucson, Arizona 85721, USA

  • *Also at: L.D. Landau Institute for Theoretical Physics, RAS, 2 Kosygina Street, Moscow 117334, Russia.

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Issue

Vol. 97, Iss. 14 — 1 April 2018

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