Fractional Shapiro steps in a triangular single-plaquette Josephson-junction array

A. Valizadeh, M. R. Kolahchi, J. P. Straley

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We study the dynamics of a triangular single-plaquette Josephson-junction array in the development of the fractional Shapiro steps. We show that synchronization on fractional steps can happen due to an intricate interplay of the three junctions as the plaquette is made dynamically unsymmetric, either by applying an external magnetic field or by changing the configuration of external currents. We propose a mechanism for synchronization when the asymmetry is only due to the frustration induced by the magnetic field.

Original languageEnglish
Article number214511
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number21
DOIs
StatePublished - Dec 26 2007

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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