LIMITATIONS OF THE LONDON MODEL FOR THE REVERSIBLE MAGNETIZATION OF TYPE-II SUPERCONDUCTORS

被引:177
作者
HAO, ZD [1 ]
CLEM, JR [1 ]
机构
[1] IOWA STATE UNIV SCI & TECHNOL, DEPT PHYS, AMES, IA 50011 USA
关键词
D O I
10.1103/PhysRevLett.67.2371
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We point out that the London model for the reversible magnetization M of high-kappa type-II superconductors in the intermediate-field region is quantitatively incorrect, and we discuss the implications on our understanding of the mixed state of type-II superconductors. We also show that the apparently linear dependence of M vs lnH in the intermediate-field region, a behavior that has been observed experimentally, can be obtained from a previously proposed variational model.
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页码:2371 / 2374
页数:4
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