Theory of fluctuation-induced diamagnetism in superconductors

Patrick A. Lee; Marvin G. Payne

doi:10.1103/PhysRevLett.26.1537

Theory of fluctuation-induced diamagnetism in superconductors

Patrick A. Lee
, Marvin G. Payne

Biochemistry, Chemistry & Physics

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

44 Scopus citations

Abstract

A free-energy expression for a pure superconductor is derived microscopically which includes effects of a nonlocal order parameter. In the presence of strong field the simple transformation q→→q→ +2eA→c is no longer valid. Using this free energy, fluctuation-induced diamagnetism of a superconductor above Tc is calculated. The resulting universal behavior for pure superconductors is in good agreement with the experiment of Gollub, Beasley, and Tinkham.

Original language	English
Pages (from-to)	1537-1541
Number of pages	5
Journal	Physical Review Letters
Volume	26
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.26.1537
State	Published - 1971

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General Physics and Astronomy

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10.1103/PhysRevLett.26.1537

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abstract = "A free-energy expression for a pure superconductor is derived microscopically which includes effects of a nonlocal order parameter. In the presence of strong field the simple transformation q→→q→ +2eA→c is no longer valid. Using this free energy, fluctuation-induced diamagnetism of a superconductor above Tc is calculated. The resulting universal behavior for pure superconductors is in good agreement with the experiment of Gollub, Beasley, and Tinkham.",

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AB - A free-energy expression for a pure superconductor is derived microscopically which includes effects of a nonlocal order parameter. In the presence of strong field the simple transformation q→→q→ +2eA→c is no longer valid. Using this free energy, fluctuation-induced diamagnetism of a superconductor above Tc is calculated. The resulting universal behavior for pure superconductors is in good agreement with the experiment of Gollub, Beasley, and Tinkham.

UR - https://www.scopus.com/pages/publications/4243820096

U2 - 10.1103/PhysRevLett.26.1537

DO - 10.1103/PhysRevLett.26.1537

M3 - Article

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SP - 1537

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 25

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Theory of fluctuation-induced diamagnetism in superconductors

Abstract

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