Evolution of Fermi-Liquid Interactions in Sr2RuO4 under Pressure

Physical Review Letters 89 巻 16 号 166402-1-166402-4 頁 2002-10-14 発行
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タイトル ( eng )
Evolution of Fermi-Liquid Interactions in Sr2RuO4 under Pressure
作成者
Forsythe Dominic M.
Julian Stephen R.
Bergemann Christoph
Pugh Emma
Steiner M. J.
Alireza Patricia Lebre
McMullan G. J.
Nakamura Fumihiko
Haselwimmer R. K. W.
Walker I. R.
Saxena Siddharth S.
Lonzarich Gilbert G.
Mackenzie Andrew Peter
Mao Zhiqiang
Maeno Yoshiteru
収録物名
Physical Review Letters
89
16
開始ページ 166402-1
終了ページ 166402-4
抄録
We have measured the temperature and field dependence of the resistivity of the unconventional superconductor Sr2RuO4 at pressures up to 3.3 GPa. Using the Shubnikov–de Haas effect, we find that the Fermi surface sheet believed to be primarily responsible for superconductivity becomes more twodimensional with increasing pressure, a surprising result that is, however, consistent with a recent model of orbital-dependent superconductivity in this system. Many-body enhancements and the superconducting transition temperature all fall gradually with increasing pressure, contrary to previous suggestions of a ferromagnetic quantum critical point at ∼3 GPa.
言語
英語
資源タイプ 学術雑誌論文
出版者
American Physical Society
発行日 2002-10-14
権利情報
Copyright (c) 2002 American Physical Society.
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.89.166402
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevB.58.15062