Origin of flux-flow resistance oscillations in Bi2Sr2CaCu2O8+y: Possibility of Fiske steps in a single junction

A.V. Ustinov, Niels Falsig Pedersen

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Abstract

We propose an alternative explanation to the oscillations of the flux-flow resistance found in several previously published experiments with Bi2Sr2CaCu2O8+y stacks. It has been argued by the previous authors that the period of the oscillations corresponding to the field needed to add one vortex per two intrinsic Josephson junctions is associated with a moving triangular lattice of vortices (out-of-phase mode), while the period corresponding to one vortex per one junction is due to the square lattice (in-phase mode). In contrast, we show that both type of oscillations may occur in a single-layer Josephson junction and thus the above interpretation is inconsistent.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Volume72
Issue number5
Pages (from-to)052502
ISSN0163-1829
DOIs
Publication statusPublished - 2005

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Copyright 2005 American Physical Society

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