Normal-state Hall Angle and Magnetoresistance in Quasi-2D Heavy Fermion CeCoIn<sub>5</sub>near a Quantum Critical Point
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- Nakajima Y.
- Institute for Solid State Physics, University of Tokyo
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- Izawa K.
- Institute for Solid State Physics, University of Tokyo
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- Matsuda Y.
- Institute for Solid State Physics, University of Tokyo
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- Uji S.
- National Institute of Material Science
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- Terashima T.
- National Institute of Material Science
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- Shishido H.
- Graduate School of Science, Osaka University
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- Settai R.
- Graduate School of Science, Osaka University
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- Onuki Y.
- Graduate School of Science, Osaka University
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- Kontani H.
- Department of Physics, Saitama University
書誌事項
- タイトル別名
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- Normal-state Hall Angle and Magnetoresistance in Quasi-2D Heavy Fermion CeCoIn5 near a Quantum Critical Point
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説明
The normal-state Hall effect and magnetoresisitance (MR) have been measured in the quasi two dimensional (2D) heavy fermion superconductor CeCoIn5. In the non-Fermi liquid region where the reistivity ρxx exhibits an almost perfect T-linear dependence, the Hall angle varies as cotθH∝T2 and MR displays a strong violation of Kohler’s rule. We demonstrate a novel relation between the MR and the Hall conductivity, Δρxx⁄ρxx∝(σxyρxx)2. These results bear a striking resemblance to the normal-state properties of high-Tc cuprates, indicating universal transport properties in the presence of quasi-2D antiferromagnetic fluctuations near a quantum critical point.
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 (1), 5-8, 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
- 1390282679163398144
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- NII論文ID
- 110001954682
- 210000105258
- 130004538516
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73....5N
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6817226
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- 本文言語コード
- en
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- 資料種別
- journal article
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