Theory of phase dynamics in intrinsic Josephson junctions with multigap superconducting layers

Y. Ota, M. Machida, T. Koyama

Research output: Contribution to journalArticlepeer-review

Abstract

We construct a theory of dynamical behavior in intrinsic Josephson junction stacks with multigap superconducting layers. The theory predicts the existence of two kinds of phase modes, one of which is the Josephson-plasma mode and other of which is the Leggett's mode. We discuss a cooperative phenomena induced by inter-band Josephson coupling in addition to capacitive and inductive couplings between the superconducting layers.

Original languageEnglish
Pages (from-to)760-762
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume471
Issue number21-22
DOIs
Publication statusPublished - 2011 Nov

Keywords

  • Intrinsic Josephson effects
  • Iron-based superconductors
  • Leggett's mode

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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