Josephson plasma resonance in the Josephson vortex lattice in intrinsic Josephson junctions

Tomio Koyama

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Small phase oscillation modes of a Josephson vortex lattice in a stack of intrinsic Josephson junctions are numerically calculated. The eigenfrequency of the lowest excitation mode ω1 is less than the zero-field plasma frequency ωpl and is a decreasing function of the magnetic field H. The eigenfrequencies ωn with n > ∼2 is located above ωpl and increases with increasing H. This result is consistent with the field dependence of the Josephson plasma resonance observed in Bi-2212. We also clarify the nature of the phase oscillation modes, calculating the eigenfunctions.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number22
DOIs
Publication statusPublished - 2003 Dec 9

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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