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Anomalous upper critical field in CeCoIn5/YbCoIn5 superlattices with a Rashba-type heavy Fermion interface.
http://hdl.handle.net/10191/30515
http://hdl.handle.net/10191/30515b9ee3493-02a1-47b9-a314-b1ddac958770
名前 / ファイル | ライセンス | アクション |
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109_157006.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-11-27 | |||||
タイトル | ||||||
タイトル | Anomalous upper critical field in CeCoIn5/YbCoIn5 superlattices with a Rashba-type heavy Fermion interface. | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Anomalous upper critical field in CeCoIn5/YbCoIn5 superlattices with a Rashba-type heavy Fermion interface. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Goh, S.K.
× Goh, S.K.× Mizukami, Y.× Shishido, H.× Watanabe, D.× Yasumoto, S.× Shimozawa, M.× Yamashita, M.× Terashima, T.× Yanase, Y.× Shibauchi, T.× Buzdin, A.I.× Matsuda, Y. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We report a highly unusual angular variation of the upper critical field (H(c2)) in epitaxial superlattices CeCoIn(5)(n)/YbCoIn(5)(5), formed by alternating layers of n and a 5 unit-cell thick heavy-fermion superconductor CeCoIn(5) with a strong Pauli effect and normal metal YbCoIn(5), respectively. For the n=3 superlattice, H(c2)(θ) changes smoothly as a function of the field angle θ. However, close to the superconducting transition temperature, H(c2)(θ) exhibits a cusp near the parallel field (θ=0°). This cusp behavior disappears for n=4 and 5 superlattices. This sudden disappearance suggests the relative dominance of the orbital depairing effect in the n=3 superlattice, which may be due to the suppression of the Pauli effect in a system with local inversion symmetry breaking. Taking into account the temperature dependence of H(c2)(θ) as well, our results suggest that some exotic superconducting states, including a helical superconducting state, might be realized at high magnetic fields. | |||||
書誌情報 |
Physical Review Letters en : Physical Review Letters 巻 109, 号 157006, p. 1-5, 発行日 2012-10 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319007 | |||||
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収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773679 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.109.157006 | |||||
権利 | ||||||
権利情報 | Copyright(C)2012 The American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher |