Meissner-London state in superconductors of rectangular cross section in a perpendicular magnetic field
- 1 July 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 62 (1), 115-118
- https://doi.org/10.1103/physrevb.62.115
Abstract
The Meissner state with finite London penetration depth is analyzed for platelet samples of rectangular cross section in a perpendicular magnetic field. The exact two-dimensional numerical solution of the London equation is extended analytically to the realistic three dimensional case. Data obtained on Nb cylinders and foils, as well as single crystals of Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O, are in a good agreement with the model. The results are particularly relevant for magnetic susceptibility, rf, and microwave resonator measurements of the magnetic penetration depth in high- superconductors.
Keywords
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