Ruderman-Kittel-Kasuya-Yosida interactions between spin distributions of arbitrary shape

R. Skomski, R. F. Sabiryanov, S. S. Jaswal

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Abstract

The net Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between well-separated spin distributions can be mapped onto a RKKY interaction between two point-like effective moments. The effective moments, which a strongly oscillating dependence on the size, shape, and orientation of the spin distribution, are discussed for a variety of microscopic and macroscopic configurations. Particular emphasis is on the relation between RKKY interactions and band-structure Heisenberg exchange constants in itinerant magnets and on two-ion anisotropy contributions to the magnetocrystalline anisotropy of rare-earth ions.

Original languageEnglish (US)
Pages (from-to)5890-5892
Number of pages3
JournalJournal of Applied Physics
Volume87
Issue number9 II
Publication statusPublished - May 1 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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