Impurity Pinning vs Superconductivity in Quasi-One-Dimensional Electron,Systems

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概要

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• The effects of non-magnetic impurities on quasi-one dimensional superconductorsare investigated by use of the bosonized hamiltonian which consists of phase variablesof charge density wave (CDW) and superconductivity. Applying a renormalisation-group method and a mean-field treatment of the interchain coupling, we calculate thesuperconducting (SC) transition temperature as a function of the disorder. We findthat, contrary to the one-dimensional case, the SC phase is completely destroyed bythe impurity pinning of the CDW, only for a finite concentration D. of the impurities.

• 社団法人日本物理学会の論文
• 1989-05-15

著者

• Giamarchi Thierry

  Laboratoire De Physique Des Solides

• Giamarchi Thierry

  Laboratory De Physique Des Solides Universite Paris-sud

• Suzumura Yoshikazu

  Tohoku University

関連論文

• Role of Interchain Hopping in Two Disordered Chains of Spinless Fermions : Condensed Matter: Electronic Properties, etc.
• Impurity Pinning vs Superconductivity in Quasi-One-Dimensional Electron,Systems
• Renormalized Inter-Chain Hopping vs Charge Gap in Two Coupled Chains

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