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Thermal conduction in the intermediate state of superconductors

Published online by Cambridge University Press:  24 October 2008

S. J. Laredo  and
A. B. Pippard
S. J. Laredo
Affiliation:
The Royal Society Mond LaboratoryCambridge
A. B. Pippard
Affiliation:
The Royal Society Mond LaboratoryCambridge
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Abstract

The maximum in thermal resistivity exhibited by superconductors in the intermediate state is found to be particularly marked in tin at 0-5° K., at which temperature heat transport in the pure superconducting state is almost entirely by phonons. A simple theory of the effect is developed, based on the idea that phonon free paths are considerably shorter in the intermediate than in the superconducting state, owing to the high scattering caused by normal regions. Theory and experiment are in satisfactory agreement.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 51 , Issue 2 , April 1955 , pp. 368 - 376
Copyright
Copyright © Cambridge Philosophical Society 1955

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References

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