Quantum oscillations in the layered perovskite superconductor Sr2RuO4

Mackenzie, A. P.; Julian, S.R.; Diver, A.J.; McMullan, G.J.; Ray, M.P.; Lonzarich, G.G.; Maeno, Y.; Nishizaki, S.; Fujita, T.

doi:10.1103/PhysRevLett.76.3786

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Quantum oscillations in the layered perovskite superconductor Sr₂RuO₄

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Mackenzie, A. P., Julian, S., Diver, A., McMullan, G., Ray, M., Lonzarich, G., et al. (1996). Quantum oscillations in the layered perovskite superconductor Sr₂RuO₄. Physical Review Letters, 76(20), 3786-3789. doi:10.1103/PhysRevLett.76.3786.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-EC2D-4

Abstract

We report a comprehensive study of magneto-oscillatory phenomena in the normal state of Sr2RuO4, the first layered perovskite superconductor (T-c congruent to 1 K) not based on copper. The form of the quasiparticle spectrum observed may be interpreted in terms of an almost two-dimensional Fermi liquid model which is consistent with Luttinger's theorem and successfully predicts bulk thermodynamic and transport properties at low temperatures. A study of the spectra and transport along the c axis provides insights into the different normal state and superconducting behavior of Sr2RuO4 and the cuprates.