Limitations of the London model for the reversible magnetization of type-II superconductors
- 21 October 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 67 (17), 2371-2374
- https://doi.org/10.1103/PhysRevLett.67.2371
Abstract
We point out that the London model for the reversible magnetization M of high-κ 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.Keywords
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