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Magnetic exchange interactions in cerium compounds

Physical Review B, ISSN: 0163-1829, Vol: 25, Issue: 11, Page: 7037-7039
1982
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  • Citations
    20
    • Citation Indexes
      20
  • Captures
    1

Article Description

Exchange interactions induced by hybridization of f levels to conduction-electron states in some Ce compounds are considered in detail. The usual treatment in which these interactions are derived through a second-order canonical transformation does not include all contributions. Using a free-electron conduction band, closed expressions are obtained for the range function, which approaches the Ruderman-Kittel-Kasuya-Yosida (RKKY) function asymptotically. For nearest and next-nearest neighbors the interactions are dominated by a new range function which differs from the RKKY function. © 1982 The American Physical Society.

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