Domain wall resistivity in diffuse ferromagnets

Arne Brataas, Gen Tatara, Gerrit E.W. Bauer

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We derive expressions for the resistivity of diffuse ferromagnets caused by the rotating magnetization direction in a domain wall for general band structures and state-dependent electron lifetimes. The domain wall resistivity is enhanced when the Fermi surfaces of the spin-up and spin-down states (nearly) overlap, but in this limit the non-degenerate perturbation theory breaks down. The results differ for constant density and constant chemical potential and do not agree with those by Levy and Zhang (1997, Phys. Rev. Lett., 78, 3773) in the two-band model.

Original languageEnglish
Pages (from-to)545-548
Number of pages4
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume78
Issue number5-6
DOIs
Publication statusPublished - 1998 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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