Physics Letters, Section A: General, Atomic and Solid State Physics. Vol.219, No.3-4 (1996), 243-248
Suggested Citation
P. Winotai, I. M. Tang Anisotropic S-wave superconductors containing transition metal impurities: High T<inf>K</inf>Kondo impurities. Physics Letters, Section A: General, Atomic and Solid State Physics. Vol.219, No.3-4 (1996), 243-248. doi:10.1016/0375-9601(96)00426-4 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/17839
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Anisotropic S-wave superconductors containing transition metal impurities: High T<inf>K</inf>Kondo impurities
The effects of transition metal impurities whose magnetic behavior is that of high TKKondo impurities and of anisotropy on the Tc's of conventional superconductors are studied within the framework of the strong coupling Eliashberg formalism. The Matsuura-Ichinose-Nagaoka theory is used to describe the high TKKondo impurities. It is shown that the strong coupling and anisotropy combine to change the magnitudes of the initial decrease in Tcdue to the impurities and of the critical concentration at which the impurities completely suppress superconductivity in different ways. The value of the former is lowered while the value of the latter is raised.
