Spin imbalance effect on josephson junction and grey soliton

Ryosuke Yoshii, Giacomo Marmorini, Muneto Nitta

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


We study spin imbalance effects on the Josephson junction of superconductors under a strong magnetic field and the grey soliton in 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.

Original languageEnglish
Article number094704
JournalJournal of the Physical Society of Japan
Issue number9
Publication statusPublished - 2012 Sept


  • BdG equation
  • Exact solution
  • Kink
  • Soliton
  • Superconductivity
  • Superfluidity

ASJC Scopus subject areas

  • General Physics and Astronomy


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