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Upper critical field of quasi-one-dimensional d-wave superconductors

✍ Scribed by M. Prohammer; J.P. Carbotte

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
372 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✦ Synopsis

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-direction. For the field in a-direction pauli paramagnetic limiting and strong coupling corrections seem sufficient to explain the experimental data.

-2t a cos(kxa) -2tbcos(kyb) -2tc cos(kzc) (2) with lines of zeros at kyb = 7r /2 and an anisotropic energy dispersion relation

πŸ“œ SIMILAR VOLUMES

A theory of the upper critical field in
A theory of the upper critical field in quasi-zero-dimensional superconductors
✍ Daniel W. Youngner; Andrew S. Peterson πŸ“‚ Article πŸ“… 1980 πŸ› Springer US 🌐 English βš– 466 KB

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 superc