Detailed topography of the Fermi surface of Sr2RuO4

被引:183
作者
Bergemann, C
Julian, SR
Mackenzie, AP
NishiZaki, S
Maeno, Y
机构
[1] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[3] Kyoto Univ, Grad Sch Sci, Dept Phys, Kyoto 6068502, Japan
[4] Japan Sci & Technol Corp, CREST, Kawaguchi, Saitama 3320012, Japan
关键词
D O I
10.1103/PhysRevLett.84.2662
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We apply a novel analysis of the field and angle dependence of the quantum-oscillatory amplitudes in the unconventional superconductor Sr2RuO4 to map its Fermi surface (FS) in unprecedented detail and to obtain previously inaccessible information on the band dispersion. The three quasi-2D FS sheets not only exhibit very diverse magnitudes of warping, but also entirely different dominant warping symmetries. We use the data to reassess recent results on c-axis transport phenomena.
引用
收藏
页码:2662 / 2665
页数:4
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