Fluctuation Conductivity in Unconventional Superconductors near Critical Disorder
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概要
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The fluctuation conductivity σs in bulk superconductors with non s-wave pairing and with nonmagnetic disorder of strength D is studied at low T and within the Gaussian approximation. It is shown by assuming a quasi two-dimensional (2D) electronic state that, only if the gap function dµ(p) is, as in a 2D p-wave pairing state, linear in the in-plane (relative) momentum p⊥, the in-plane fluctuation conductivity on the line D=Dc is weakly divergent in low T limit. The present result may be useful in clarifying the true gap function of spin-triplet Sr2RuO4 through resistivity measurements.
- Physical Society of Japanの論文
- 2001-10-15
著者
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Adachi Hiroto
Department Of Physics Kyoto University
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Ikeda Ryusuke
Department Of Physics Kyoto University
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Ikeda Ryusuke
Department of Physics, Kyoto University, Kyoto 606-8502
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