NMR Relaxation Rate of Impure Anisotropic Quasi-One-Dimensional Superconductors
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概要
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The effect of nonmagnetic impurities on the NMR relaxation time, T., of quasi-one-dimensional superconductors with anisotropic order parameters has been studiedbased on the previous calculation of the thermodynamic quantities. The relaxationrate, T. ', is examined as a function of both temperature and the impurity concentra-Lion by taking account of the vertex correction for the impurity scattering. It is shownthat the enhancement of T near the transition temperature exists only for a smallconcentration of impurity. By the increase of impurity, the value of T . ' at absolutezero temperature increases continuously from zero and becomes equal to that of thenormal state at the critical concentration.
- 社団法人日本物理学会の論文
- 1989-08-15
著者
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Suzumura Yoshikazu
Department Of Physics Nagoya University
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Suzumura Yoshikazu
Department Of Physics Faculty Of Science Tohoku University
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