Magnetic Ordering, Orbital State and Lattice Distortion in Perovskite Manganites.
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- Shiina Ryousuke
- Department of Physics, Tokyo Institute of Technology, Oh–okayama, Tokyo 152
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- Nishitani Tomohiro
- Department of Physics, Tokyo Institute of Technology, Oh–okayama, Tokyo 152
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- Shiba Hiroyuki
- Department of Physics, Tokyo Institute of Technology, Oh–okayama, Tokyo 152
書誌事項
- タイトル別名
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- Magnetic Ordering Orbital State and Lat
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説明
Possible ordered phases in perovskite manganites are investigated in the framework of an effective spin Hamiltonian for the atomic limit. Using the mean-field approximation combined with a group-theoretical consideration, we determine the stable orbital and spin ordered phases at finite temperatures. It is found that the magnetic ordering with low-symmetry spatial arrangement is stabilized due to the mixing interaction between different multipoles. The resulting orbital states are discussed by taking into account the effect of lattice distortion from the cubic symmetry. The spin and orbital states in LaMnO3 are discussed on the basis of the present theory.
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 66 (10), 3159-3170, 1997
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
- 1390001204180645376
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- NII論文ID
- 210000100430
- 110001970243
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1997JPSJ...66.3159S
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 4337816
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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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