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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.
