Effect of equilibrium fluctuations on superfluid density in layered superconductors

Research Laboratory for Super High Frequency Technology

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Abstract

The role of phase fluctuations in layered superconductors was assessed applying the fluctuation-dissipation theorem (FDT) to linear response equations. It was shown that at low temperatures, quantum fluctuations dominate over thermal fluctuations. Furthermore, it was demonstrated that a suppression of the critical current due to thermal fluctuations is larger in the stack direction than in the in-plane direction.

Original language	English
Pages (from-to)	708-711
Number of pages	4
Journal	Physical Review Letters
Volume	86
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.86.708
Publication status	Published - 22 Jan 2001

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.86.708

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title = "Effect of equilibrium fluctuations on superfluid density in layered superconductors",

abstract = "The role of phase fluctuations in layered superconductors was assessed applying the fluctuation-dissipation theorem (FDT) to linear response equations. It was shown that at low temperatures, quantum fluctuations dominate over thermal fluctuations. Furthermore, it was demonstrated that a suppression of the critical current due to thermal fluctuations is larger in the stack direction than in the in-plane direction.",

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