Effects of Randomness on Critical Temperature of Organic Superconductors
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概要
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The strong reduction of the critical temperature, T., of organic superconductors(TMTSF).PF., irradiated by X-ray is shown to be understood within the frameworkof dirty singlet superconductors in the weakly localized regime; i.e. the enhancementof the Coulomb repulsion due to randomness. In the case of the proton-irradiationthe reduction of T. experimentally observed is larger and may be ascribed to magneticdefects as suggested before. In the system with two superconducting states such as(BEDT-TTF).1, relative reduction of T. should depend on whether it is caused by thelocalization effect or by the pair breaking with magnetic defects, and then the originof the reduction will be identified.
- 社団法人日本物理学会の論文
- 1986-11-15
著者
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Fukuyama Hidetoshi
Institute For Solid State Physics The University Of Tokyo
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Hasegawa Yasumasa
Institute For Solid State Physics University Of Tokyo
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