Kondo-like Effect of Atomic Motion in Amorphous Superconductors

Sadamichi Maekawa; Saburo Takahashi; Masashi Tachiki

doi:10.1143/JPSJ.53.702

Kondo-like Effect of Atomic Motion in Amorphous Superconductors

Sadamichi Maekawa, Saburo Takahashi, Masashi Tachiki

Materials Property Division

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Effects of tunneling motion of atoms characteristic in glass systems on superconductivity is theoretically studied. The pair-breaking mechanism of superconductivity proportional to [ln(7/D)]2 is derived in the fourth order of the Coulomb interaction between conduction electrons and atoms, where T is the temperature and D is the band width. We propose that the pair-breaking mechanism is an origin of the universal absence of the Maki term in the paraconductivity in amorphous superconductors.

Original language	English
Pages (from-to)	702-711
Number of pages	10
Journal	journal of the physical society of japan
Volume	53
Issue number	2
DOIs	https://doi.org/10.1143/JPSJ.53.702
Publication status	Published - 1984 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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Kondo-like Effect of Atomic Motion in Amorphous Superconductors

Abstract

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