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Free energy of the high-Tc two-band superconductor and the temperature dependence of gaps in the phase transition region

✍ Scribed by P. Konsin; T. Örd

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
496 KB
Volume
191
Category
Article
ISSN
0921-4534

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✦ Synopsis

The free energy of a two-band model, where superconductivity is induced by a repulsive interband interaction has been obtained. The fulfill'ment of stability conditions of normal and superconducting phases in this model has been 9roved. The dependence of superconducting gaps on temperature and the carrier concentration have been found. In general, the coefficients of the temperature dependence of gaps deviate from the BCS ones. Some experimental data on 2122-and 123-type ~y~ems are discussed.

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