Magnetic Response of Disordered Metallic Rings: Large Contribution of Far Levels

M. Schechter, Y. Oreg, Y. Imry, Y. Levinson

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

We calculate the orbital linear magnetic response of disordered metallic rings to an Aharonov-Bohm flux using the BCS model for attractive electron-electron interaction. The contribution of all levels including those up to a high energy cutoff results in a much larger value than previously obtained using the local interaction model. The possible relevance of our results to the resolution of the discrepancy between the experimental and theoretical values for the ensemble-averaged persistent currents in these systems is discussed.

Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume90
Issue number2
DOIs
StatePublished - 1 Jan 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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