The Perpendicular Conductivity in Quasi-One-Dimensional Superconductors
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概要
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The electrical conductivity perpendicular to the chain axis in a quasi-one-dimensional superconductor is calculated. The phase hamiltonian with the interchain interaction of the Josephson type is used and the phase representaion of the hopping current between chains is found. The normal conductivity behaves like T^<-3+2η_->, where η_-=√<(1+α^^~)/(1-α^^~)>, α^^~=g^^~_2-g^^~_1/2 and g^^~_1(g^^~_2) is the coupling constant of the backward (forward) scattering normalized by πv_F. The excess conductivity calculated by the decoupling approximation behaves like ε^<-1/2>, where ε is the reduced temperature (T-T_c)/T_c. This result agree with that in the three-dimensional system.
- 理論物理学刊行会の論文
- 1981-07-25
著者
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Wakata M
Mitsubishi Electric Corp. Kanagawa Jpn
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Wakata Mitsunobu
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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Okamoto Kiyomi
Department Of Applied Physics Faculty Of Science Tokyo Institute Of Technology
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WAKATA Mitsunobu
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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