Geodesic
Densities of electron states of a two-band superconductor with paramagnetic impurity. Weak exchange scattering and strong interband scattering
Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 3, pp. 382-394 
N. I. Botoshan; M. I. Vladimir; V. A. Moskalenko. Densities of electron states of a two-band superconductor with paramagnetic impurity. Weak exchange scattering and strong interband scattering. Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 3, pp. 382-394. http://geodesic.mathdoc.fr/item/TMF_1975_25_3_a8/
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     author = {N. I. Botoshan and M. I. Vladimir and V. A. Moskalenko},
     title = {Densities of electron states of a~two-band superconductor with paramagnetic impurity. {Weak} exchange scattering and strong interband scattering},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1975_25_3_a8/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown that in the case of strong inter-zonal scattering of electrons on nonmagnet admixtures and moderate exchange scattering, the problem of evaluating the electron state densities in two-zone superconductors can be reduced to correspondent one-zone problem with re-determined parameters. In the case of weak exchange scattering of electrons on paramagnet admixture there is a limit transition to correspondent two-zone problem with non-magnet admixture. The densities of states obtained are applied to the problem of evaluating the critical temperature of superconducting transition.

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