Measurement of the vortex pair interaction potential in a type-ii superconductor

Chorng Haur Sow; Ken Harada; Akira Tonomura; George Crabtree; David G. Grier

doi:10.1103/PhysRevLett.80.2693

Measurement of the vortex pair interaction potential in a type-ii superconductor

Chorng Haur Sow, Ken Harada, Akira Tonomura, George Crabtree, David G. Grier

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

Abstract

We describe the first direct measurement of the pair interaction potential for magnetic flux lines in a type-II superconductor. Our approach relies on a quantitative analysis of Lorentz microscope images of vortices creeping through a superconducting thin film. Time-resolved vortex distributions imaged in this way reflect both the vortices' mutual interaction and also the influence of random pinning forces. These influences are isolated and quantified by adapting results from the theory of simple liquids.

Original language	English (US)
Pages (from-to)	2693-2696
Number of pages	4
Journal	Physical Review Letters
Volume	80
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.80.2693
State	Published - 1998

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.80.2693

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abstract = "We describe the first direct measurement of the pair interaction potential for magnetic flux lines in a type-II superconductor. Our approach relies on a quantitative analysis of Lorentz microscope images of vortices creeping through a superconducting thin film. Time-resolved vortex distributions imaged in this way reflect both the vortices' mutual interaction and also the influence of random pinning forces. These influences are isolated and quantified by adapting results from the theory of simple liquids.",

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AU - Grier, David G.

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Measurement of the vortex pair interaction potential in a type-ii superconductor

Abstract

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