Transport and the Order Parameter of Superconducting Sr2RuO4
W. C. Wu, R. Joynt
Abstract
Recent experiments make it appear more likely that the order parameter of the unconventional superconductor Sr2RuO4 has a spin-triplet f-wave symmetry. We study ultrasonic absorption and thermal conductivity of superconducting Sr2RuO4 and fit to the recent data for various f-wave candidates. It is shown that only fx2-y2-wave symmetry can account qualitatively for the transport data.
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