Vortex structure and Josephson supercurrents in stacked double Josephson junctions

S. Song, P. Auvil, M. Ulmer, J. Ketterson

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

In Josephson-junction stacks consisting of two junctions having identical maximum Josephson supercurrent (Formula presented), the measured (Formula presented) vs external magnetic flux (Formula presented) characteristics exhibit two distinct oscillation periods with the oscillation period for (Formula presented) being smaller than that when (Formula presented), where (Formula presented) is the flux quantum. The observations provide clear evidence that a structural phase transformation to a triangular vortex lattice occurs with increasing (Formula presented).

Original languageEnglish (US)
Pages (from-to)R6018-R6021
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume53
Issue number10
DOIs
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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