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metadata.dc.type: | Artigo de Periódico |
Title: | Electromagnetic absorption of light in superconducting Kondo alloys and superconductini alloys with strong electron —magnetic-impurity interaction |
Other Titles: | Physical Review B |
Authors: | Cuden, C. B. |
metadata.dc.creator: | Cuden, C. B. |
Abstract: | E}ectro~agnetic absorption of light in superconducting Kondo alloys and in superconducting alloys with strong electron —magnetic-impurity interaction is discussed without recourse to the quasiparticle approximation. The electromagnetic (em) absorption of light defined in terms of Shiba-Rusinov equilibrium one-particle Green's functions is examined in the limit of small momentum transfer (London limit) and in the Eliashberg approximation of neglecting the momentum dependence of the electronic self-energy. For the specific case of the Fe-In alloy numerical calculations have been made for the ratio of em absorption in the superconducting and normal states as a function of reduced frequency and temperature for different impurity concentrations. |
Publisher: | Physical Review B |
URI: | http://www.repositorio.ufba.br/ri/handle/ri/13247 |
Issue Date: | 1980 |
Appears in Collections: | Artigo Publicado em Periódico (FIS) |
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