Multipole Fluctuations in Filled Skutterudites

DOI DOI Web Site Web Site BIBCODE 被引用文献13件 参考文献49件 オープンアクセス
  • Hotta Takashi
    Advanced Science Research Center, Japan Atomic Energy Research Institute

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説明

In order to clarify exotic multipole properties of filled skutterudites, we evaluate multipole susceptibility for n=1–5, where n is the local f-electron number, on the basis of a multiorbital Anderson model constructed using the j–j coupling scheme. For n=1, magnetic fluctuations dominate over low-temperature electronic properties, while for n=2 and 4, electronic states are dominated by both magnetic and quadrupole fluctuations. For n=3 and 5, octupole fluctuations are found to be significant, depending on the crystalline electric field potential. We discuss the possible relevance of the results to actual materials.

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