Multipole Fluctuations in Filled Skutterudites(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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In order to clarify exotic multipole properties of filled skutterudites, we evaluate multipole susceptibility for n=1-5, where n is the local ƒ-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.
- 社団法人日本物理学会の論文
- 2005-09-15
著者
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HOTTA Takashi
Advanced Science Research Center, Japan Atomic Energy Research Institute
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Hotta Takashi
Tokyo Metropolitan Univ. Tokyo
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Hotta Takashi
Advanced Science Research Center Japan Atomic Energy Agency
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