Detailed Topography of the Fermi Surface of Sr2RuO4

Bergemann, C.; Julian, S. R.; Mackenzie, A. P.; NishiZaki, S.; Maeno, Y.

doi:10.1103/PhysRevLett.84.2662

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Detailed Topography of the Fermi Surface of Sr₂RuO₄

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Bergemann, C., Julian, S. R., Mackenzie, A. P., NishiZaki, S., & Maeno, Y. (2000). Detailed Topography of the Fermi Surface of Sr₂RuO₄. Physical Review Letters, 84(12), 2662-2665. doi:10.1103/PhysRevLett.84.2662.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-EEBF-A

Abstract

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.