Model for organized current patterns in disordered conductors

Y. Japha, O. Entin-Wohlman, T. David, R. Salem, S. Aigner, J. Schmiedmayer, R. Folman

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We present a general theory of current deviations in straight current-carrying wires with random imperfections, which quantitatively explains the recent observations of organized patterns of magnetic field corrugations above micrometer-scale evaporated wires. These patterns originate from the most efficient electron scattering by Fourier components of the wire imperfections with wavefronts along the ±45° direction. We show that long-range effects of surface or bulk corrugations are suppressed for narrow wires or wires having an electrically anisotropic resistivity.

Original languageEnglish
Article number201407
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number20
DOIs
StatePublished - 29 May 2008

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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