Exact Solutions of Domain Wall and Spiral Ground States in Hubbard Models
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- Homma Makoto
- Department of Physics, Nihon University
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- Itoi Chigak
- Department of Physics, Nihon University
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We construct a set of exact ground states with a localized ferromagnetic domain wall and an extended spiral structure in a deformed flat-band Hubbard model. In the case of quarter filling, we show the uniqueness of the ground state with a fixed magnetization. We discuss a more realistic situation given by a band-bending perturbation, which can stabilize these curious structures. We study a conduction electron scattered by the domain wall and the spiral spins.
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 73 (3), 499-502, 2004
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
- 1390282679163690496
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- NII論文ID
- 210000105257
- 110001954762
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73..499H
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6887159
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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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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
