Pair Dynamical Correlated-Effective-Field Approximation.
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- Kokado Satoshi
- Division of Material Physics, Department of Physical Science, Graduate School of Engineering Science, Osaka University, 1–3 Machikaneyama–cho, Toyonaka, Osaka 560
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- Suzuki Naoshi
- Division of Material Physics, Department of Physical Science, Graduate School of Engineering Science, Osaka University, 1–3 Machikaneyama–cho, Toyonaka, Osaka 560
書誌事項
- タイトル別名
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- Pair Dynamical Correlated-Effective-Fie
- 公開日
- 1997
- DOI
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- 10.1143/jpsj.66.3605
- 公開者
- 一般社団法人 日本物理学会
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説明
The dynamical correlated-effective-field approximation (DCEFA) developed by Suzuki is extended to the pair-approximation, in which the spin-pair is solved exactly and the interaction between the pairs is treated by the DCEFA. The approximation is applied to calculate magnetic excitation and uniform static susceptibility of S=1/2 exchange-alternating chains.The obtained results agree reasonably well with those obtained by the exact diagonalization method for finite spins. The approximation is applied also to real pseudo-one-dimensional antiferromagnetic-ferromagnetic alternating systems such as Cu(TIM)CuCl4, (4-BzpipdH)CuCl3 and MeNN, and the exchange couplings including interchain coupling in these systems are evaluated.
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 (11), 3605-3610, 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
- 1390282679157302400
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- NII論文ID
- 110001978080
- 210000100515
- 130004535936
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1997JPSJ...66.3605K
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 4357276
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- 本文言語コード
- en
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