Interlayer Josephson coupling for a gas of pancake vortices

Ernst Helmut Brandt; Edouard B. Sonin

doi:10.1103/PhysRevB.66.064505

Interlayer Josephson coupling for a gas of pancake vortices

Ernst Helmut Brandt
, Edouard B. Sonin

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The dependence of the Josephson interlayer coupling in layered superconductors on the magnetic field H is studied numerically in the limit of complete disorder of the positions of pancake vortices (pancake gas). We find that the spatial average 〈cos ψ(r→)〉 is proportional to 1/H^1/2, where ψ is the gauge-invariant phase difference between two layers. The implication of this result for the interpretation of the magnetoabsorption resonances observed in layered superconductors is discussed.

Original language	English
Article number	064505
Pages (from-to)	645051-645055
Number of pages	5
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.66.064505
State	Published - 1 Aug 2002

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10.1103/PhysRevB.66.064505

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AB - The dependence of the Josephson interlayer coupling in layered superconductors on the magnetic field H is studied numerically in the limit of complete disorder of the positions of pancake vortices (pancake gas). We find that the spatial average 〈cos ψ(r→)〉 is proportional to 1/H1/2, where ψ is the gauge-invariant phase difference between two layers. The implication of this result for the interpretation of the magnetoabsorption resonances observed in layered superconductors is discussed.

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Interlayer Josephson coupling for a gas of pancake vortices

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