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- Ohira-Kawamura Seiko
- Academic and Information Board, Ochanomizu University
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- Shishido Hiroaki
- Department of Physics, Kyoto University
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- Kawano-Furukawa Hazuki
- Graduate School of Humanities and Sciences, Ochanomizu University
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- Lake Bella
- Hahn-Meitner-Insitut Berlin
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- Wiedenmann Albrecht
- Hahn-Meitner-Insitut Berlin
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- Kiefer Klaus
- Hahn-Meitner-Insitut Berlin
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- Shibauchi Takasada
- Department of Physics, Kyoto University
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- Matsuda Yuji
- Department of Physics, Kyoto University Institute for Solid State Physics, University of Tokyo
書誌事項
- タイトル別名
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- Anomalous Flux Line Lattice in CeCoIn<SUB>5</SUB>
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説明
Flux line lattice (FLL) of a quasi-two-dimensional heavy fermion superconductor CeCoIn5 in perpendicular field was investigated by small-angle neutron scattering technique. A square FLL was observed in magnetic fields up to 3 T and at 4 T a splitting of diffraction spots was observed, indicating reorganization of the FLL toward a triangular (rhombic) FLL. The FLL form factor is nearly field-independent up to 4 T. This is in sharp contrast to conventional superconductors, in which the form factor rapidly decays with increasing magnetic field. This behavior of the form factor, which indicates the anomalous field distribution around the vortex cores, can be attributed to strong Pauli paramagnetic effects and to field-tuned quantum critical point effects.
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 77 (2), 023702-023702, 2008
一般社団法人 日本物理学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390001204198327680
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- NII論文ID
- 130005436312
- 110006613870
- 210000107077
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- NII書誌ID
- AA00704814
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 9377050
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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