Anomalous Metal–Insulator Transition in Filled Skutterudite CeOs<sub>4</sub>Sb<sub>12</sub>
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- Imai Yoshiki
- Department of Physics, Saitama University
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- Sakurazawa Keitaro
- Department of Physics, Saitama University
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- Saso Tetsuro
- Department of Physics, Saitama University
書誌事項
- タイトル別名
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- Anomalous Metal–Insulator Transition in Filled Skutterudite CeOs4Sb12
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説明
Anomalous metal–insulator transition observed in filled skutterudite CeOs4Sb12 is investigated by constructing the effective tight-binding model with the Coulomb repulsion between f electrons. By using the mean field approximation, magnetic susceptibilities are calculated and the phase diagram is obtained. When the band structure has a semimetallic character with small electron and hole pockets at Γ and H points, a spin density wave transition with an ordering vector Q=(1,0,0) occurs due to the nesting property of the Fermi surfaces. Magnetic field enhances this phase in accord with the experiments.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ
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Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ 75 (3), 033706-, 2006
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679166498304
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- NII論文ID
- 110004704667
- 210000106029
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2006JPSJ...75c3706I
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7852245
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- 本文言語コード
- en
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- データソース種別
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