Exciton Mediated Superconductivity in PrOs<sub>4</sub>Sb<sub>12</sub>
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- Matsumoto Masashige
- Department of Physics, Faculty of Science, Shizuoka University
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- Koga Mikito
- Department of Physics, Faculty of Education, Shizuoka University
書誌事項
- タイトル別名
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- Exciton Mediated Superconductivity in PrOs4Sb12
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説明
The most important character of the exotic superconductor PrOs4Sb12 is the existence of low-lying excitations (excitons) with a finite energy gap and it appears as the magnetic field-induced order above 4.5 T. We focus on the au conduction band, which hybridizes with a Pr 4f2 state strongly, coupled to the excitons. It results in an attractive interaction between the conduction electrons. The symmetry of the superconducting order parameter is determined by dispersion relation of the exciton. For the bcc system PrOs4Sb12, a d-wave state (kxky+ωkykz+ω2kzkx, ω=e±i2π⁄3) is stabilized with broken time reversal symmetry.
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 (5), 1135-1138, 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
- 1390282679163116672
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- NII論文ID
- 110001954823
- 210000104790
- 130004538761
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73.1135M
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6940691
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- 本文言語コード
- en
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