Chirality-Driven Anomalous Hall Effect in Weak Coupling Regime.
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- Tatara Gen
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043
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- Kawamura Hikaru
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043
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抄録
Anomalous Hall effect arising from non-trivial spin configuration (chirality) is studied treating perturbatively the exchange coupling to localized spins. Scattering by normal impurities is included. Chirality is shown to drive locally Hall current and leads to overall Hall effect if there is a finite uniform chirality. This contribution is independent of the conventional spin-orbit contribution and shows distinct low-temperature behavior. In mesoscopic spin glasses, the chirality-induced anomalous Hall effect is expected below the spin-glass transition temperature. Measurement of the Hall coefficient would be useful in experimentally confirming the chirality ordering.
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 71 (11), 2613-2616, 2002
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
- 1390001204183950592
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- NII論文ID
- 210000103938
- 110001954110
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2002JPSJ...71.2613T
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6359153
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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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- 使用不可