Interplay of Impurity Pinning and Superconducting States in Quasi-One-Dimensional Conductors
1986 年 55 巻 8 号 p. 2803-2810
詳細
1986 年 55 巻 8 号 p. 2803-2810
Effect of impurity pinning on quasi-one-dimensional superconducting systems is studied by extending a single impurity problem treated in the previous work [J. Phys. Jpn. 53 (1984) 1206] to the case of many impurities. The ground state energy and related properties are calculated numerically based on the self-consistent harmonic approximation. It is shown that a domain of the pinned state followed by the soliton-formation of the Josephson phase can exist in the spatially uniform superconducting state.
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