H c 2 of a d-wave superconductor with an anisotropic tight binding bandstructure is calculated for the magnetic field oriented along the a, band c-axis. The theoretical fit to the measured fields for the organic superconductor (TMTSFhC104 is satisfactory in the weak coupling limit for the band c-dir
A theory of the upper critical field in quasi-zero-dimensional superconductors
โ Scribed by Daniel W. Youngner; Andrew S. Peterson
- Publisher
- Springer US
- Year
- 1980
- Tongue
- English
- Weight
- 466 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0022-2291
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โฆ Synopsis
A microscopic theory describing the upper critical field in quasi-zero-dimensional superconductors is presented. The model is applicable to materials in which the superconducting electrons form clusters which are spatially separated from each other. It is argued that in quasi-zero-dimensional superconductors the orbital upper critical field is apt to be very high, and it is predicted that in highly zero-dimensional superconductors the Hee(T) curve will exhibit structure not yet seen experimentally.
๐ SIMILAR VOLUMES
A generalized Ginzburg-Landau approach is used to study the nonmonotonic temperature dependence of the upper critical field Hoe(T) in antiferromagnetic superconductors RE(Mo)6Ss; RE=Dy, Tb, Gd. It is found that electrodynamic effects incorporated through screening and indirect coupling between the s