T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states
The effects of resonant scattering by non-magnetic Anderson impurities on the transition temperatures of anistropic superconductors are investigated within the framework of the weak coupling BCS theory and the strong coupling Migdal-Eliashberg theory. The separable anisotropic interaction V kk′ = [1...
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th-mahidol.98762018-02-27T11:30:20Z T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states I. M. Tang Mahidol University Physics and Astronomy The effects of resonant scattering by non-magnetic Anderson impurities on the transition temperatures of anistropic superconductors are investigated within the framework of the weak coupling BCS theory and the strong coupling Migdal-Eliashberg theory. The separable anisotropic interaction V kk′ = [1 + a k (Ω)]g[1 + a k′ (Ω′)] - V c is used used in the calculations based on the BCS formalism while the separable spectral function α 2 F kk′ (ω) = [1 + a k (Ω)]α 2 F(ω)[1 + a k′ (Ω′)] is used in the calculations based on the square well model λ θθ of the Migdal-Eliashberg formalism. It is shown that the two formalisms lead to expressions for T c which are very similar. © 1986. 2018-02-27T04:30:20Z 2018-02-27T04:30:20Z 1986-06-02 Article Physics Letters A. Vol.116, No.3 (1986), 125-129 10.1016/0375-9601(86)90298-7 03759601 2-s2.0-45949130648 https://repository.li.mahidol.ac.th/handle/123456789/9876 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=45949130648&origin=inward |
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Physics and Astronomy I. M. Tang T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
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The effects of resonant scattering by non-magnetic Anderson impurities on the transition temperatures of anistropic superconductors are investigated within the framework of the weak coupling BCS theory and the strong coupling Migdal-Eliashberg theory. The separable anisotropic interaction V kk′ = [1 + a k (Ω)]g[1 + a k′ (Ω′)] - V c is used used in the calculations based on the BCS formalism while the separable spectral function α 2 F kk′ (ω) = [1 + a k (Ω)]α 2 F(ω)[1 + a k′ (Ω′)] is used in the calculations based on the square well model λ θθ of the Migdal-Eliashberg formalism. It is shown that the two formalisms lead to expressions for T c which are very similar. © 1986. |
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Mahidol University I. M. Tang |
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Article |
| author |
I. M. Tang |
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I. M. Tang |
| title |
T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
| title_short |
T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
| title_full |
T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
| title_fullStr |
T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
| title_full_unstemmed |
T<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
| title_sort |
t<inf>c</inf>of anisotropic superconductors containing non-magnetic resonant states |
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2018 |
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https://repository.li.mahidol.ac.th/handle/123456789/9876 |
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