Spin imbalance effect on the Larkin-Ovchinnikov-Fulde-Ferrel state

Ryosuke Yoshii, Shunji Tsuchiya, Giacomo Marmorini, Muneto Nitta

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Abstract

We study spin imbalance effects on the Larkin-Ovchinnikov-Fulde-Ferrel (LOFF) state relevant for superconductors under a strong magnetic field and spin polarized ultracold Fermi gas. We obtain the exact solution for the condensates with arbitrary spin imbalance and the fermion spectrum perturbatively in the presence of small spin imbalance. We also obtain fermion zero mode exactly without perturbation theory.

Original languageEnglish
Article number024503
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
Issue number2
DOIs
Publication statusPublished - 2011 Jul 5

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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