Nonlinear flux diffusion and ac susceptibility in high-T-c superconductors

Bai, WP
Chen, HD
Yin, DL
Li, G
Li, CY
Chen, KX
Lu, G

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Publication date

January 1998

DOI

10.1088/0256-307X/15/9/019

Publisher

chinese physics letters

ISSN

0256-307X

Journal

issn:0256-307X

Abstract

It is shown that the flux motion in high-T-c superconductors can be well consistently analysed by a unified materials equation. The different models of U(J) so far suggested can be shown as specific forms or limits of this unified materials equation. The scaling law of flux pinning derived from this equation agrees with recent experimental observations on high-J(c) NdBa2 Cu3O7-delta Single crystal. The amplitude dependence of ac susceptibility derived from this equation is compared with several experimental results of high-T-c superconductors and a general power law is found.http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000076320700019&DestLinkType=FullRecord&DestApp=ALL_WOS&...

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Nonlinear flux diffusion and ac susceptibility in high-T-c superconductors

Abstract

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Nonlinear flux diffusion and ac susceptibility in high-T-c superconductors

Abstract

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