Pressure Dependence of the First-Order Superconducting Phase Transition in CeCoIn<sub>5</sub>
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- Tayama Takashi
- Institute for Solid State Physics, University of Tokyo
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- Namai Yukie
- Institute for Solid State Physics, University of Tokyo
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- Sakakibara Toshiro
- Institute for Solid State Physics, University of Tokyo
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- Hedo Masato
- Institute for Solid State Physics, University of Tokyo
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- Uwatoko Yoshiya
- Institute for Solid State Physics, University of Tokyo
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- Shishido Hiroaki
- Graduate School of Science, Osaka University
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- Settai Rikio
- Graduate School of Science, Osaka University
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- Onuki Yoshichika
- Graduate School of Science, Osaka University
書誌事項
- タイトル別名
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- Pressure Dependence of the First-Order Superconducting Phase Transition in CeCoIn5
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The pressure dependence of the first-order phase transition (FOPT) at the upper critical field Hc2 in CeCoIn5 has been studied by magnetization measurements. The FOPT is found to persist at pressures at least up to 1.5 GPa in the c axis and up to 1.38 GPa in the a axis. With increasing pressure, the anisotropy of Hc2 becomes stronger, and the condensation energy decreases significantly. We also observed a notable peak effect near Hc2 under pressure. Our results suggest that the FOPT cannot be accounted for by Pauli limiting alone.
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 74 (4), 1115-1118, 2005
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
- 1390282679164328832
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- NII論文ID
- 210000105375
- 110001979500
- 130004539161
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2005JPSJ...74.1115T
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7299626
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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
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