Numerical renormalization group study of the Kondo effect in superconductors

H. Shiba, K. Satori, O. Sakai, Y. Shimizu

研究成果: Article査読

3 被引用数 (Scopus)

抄録

The numerical renormalization group method is applied to study a magnetic impurity in a superconductor. The ground state and the first excited state, which are either a doublet (S = 1 2) or a singlet (S = 0), are traced with the renormalization step. The position and the spectral weight of the localized excited state within the energy gap are determined as a function of TK/Δ (TK Kondo temperature, Δ = superconducting energy gap). The present theory gives a reliable description for the whole region of TK/Δ.

本文言語English
ページ(範囲)239-241
ページ数3
ジャーナルPhysica B: Physics of Condensed Matter
186-188
C
DOI
出版ステータスPublished - 1993 5 2

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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