Augmented-plane-wave calculation of indirect-exchange matrix elements for gadolinium

B. N. Harmon*, A. J. Freeman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


The exchange matrix elements between a local 4f moment and the conduction electrons (Ruderman-Kittel-Kasuya-Yosida exchange) have been calculated for paramagnetic gadolinium metal using nonrelativistic augmented-plane-wave wave functions. The magnitude of the matrix elements is found to be largest for d-like conduction electrons and is quite sensitive to their angular distribution. Because of band crossings, which cause rapid changes in wave-function character, the matrix elements cannot be well described as slowly varying functions of q→=k→′-k→.

Original languageEnglish (US)
Pages (from-to)4849-4855
Number of pages7
JournalPhysical Review B
Issue number12
StatePublished - 1974

ASJC Scopus subject areas

  • Condensed Matter Physics


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