Effects of Vortex Pinning on the Temperature Dependence of the Magnetic Field Distributions in Superconductors

The temperature and applied-magnetic-field dependence of the second moments of the magnetic-field distributions as measured by μSR for YBCO and BSCCO have been fit for four different intrinsic-field-distribution models (d-wave, 2-fluid, empirical, and BCS). It is found that if a pinning potential be...

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Bibliographic Details
Published in:Physics procedia 2012, Vol.30, p.245-248
Main Authors: Kossler, W.J., Greer, Allan J., Harshman, Dale R., Stronach, C.E., Shockley, A.C., Shinn, M.
Format: Article
Language:English
Subjects:
muon spin rotation
pinning
superconductivity
vortices
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Summary:The temperature and applied-magnetic-field dependence of the second moments of the magnetic-field distributions as measured by μSR for YBCO and BSCCO have been fit for four different intrinsic-field-distribution models (d-wave, 2-fluid, empirical, and BCS). It is found that if a pinning potential becomes important at about 20K, all of the models can fit the data reasonably well. The fits and the associated fitting parameters are presented.
ISSN:1875-3892
1875-3892
DOI:10.1016/j.phpro.2012.04.083