Enhanced Impurity Scattering due to Quantum Critical Fluctuations: Perturbational Approach

Kazumasa Miyake, Osamu Narikiyo

研究成果: Contribution to journalArticle査読

45 被引用数 (Scopus)

抄録

It is shown on the basis of the lowest order perturbation expansion with respect to critical fluctuations that the critical fluctuations give rise to an enhancement of the potential scattering of non-magnetic impurities. This qualitatively accounts for the enhancement of the resistivity due to impurities which has been observed in variety of systems near the quantum critical point, while the higher order processes happen to give much larger enhancement as seen from the Ward identity arguments. The cases with dynamical critical exponent z = 2 and z = 3 are discussed explicitly.

本文言語英語
ページ(範囲)867-871
ページ数5
ジャーナルjournal of the physical society of japan
71
3
DOI
出版ステータス出版済み - 3 2002

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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