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Proceedings Paper

Quantum fluctuations of vortices in Josephson-coupled superconductors
Author(s): Lev Boulaevskii; M. P. Malley
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Paper Abstract

The effect of quantum fluctuations of vortices on the low temperature specific heat and reversible magnetization in the mixed state in highly anisotropic layered superconductors is discussed. For reversible magnetization, M, the change of slope in the dependence of M vs InB, observed in Bi(2:2:1:2) single crystals, is explained. In the mean field approach this slope should be almost B independent. We show that for magnetization quantum fluctuations are important at all temperatures except in a narrow region near Tc. The specific heat due to the vortex fluctuation contribution is predicted to be linear in T at low T and to increase logarithmically with B.

Paper Details

Date Published: 29 June 1994
PDF: 11 pages
Proc. SPIE 2157, Superconducting Superlattices and Multilayers, (29 June 1994); doi: 10.1117/12.179152
Show Author Affiliations
Lev Boulaevskii, Los Alamos National Lab. (United States)
M. P. Malley, Los Alamos National Lab. (United States)

Published in SPIE Proceedings Vol. 2157:
Superconducting Superlattices and Multilayers
Ivan Bozovic, Editor(s)

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