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Determining the superconducting gap structure in Sr2RuO4 from sound attenuation studies below Tc

Pedro Contreras·Michael Walker·Kirill Samokhin
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Abstract

This work presents a quantitative theoretical study of the sound attenuation in the unconventional multiband superconductor Sr2RuO4 below the superconducting transition temperature Tc. Sound attenuation in this material is shown to have the remarkable property of being able to identify different nodal structures on different bands. The nodal structures on the γband on the one hand, and on the αand βbands on the other, are both found to be characterized by the existence of point nodes, but are significantly different in their quantitative aspects.

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Pedro Contreras, Michael Walker, Kirill Samokhin. 2004-07-07. Determining the superconducting gap structure in Sr2RuO4 from sound attenuation studies below Tc. https://doi.org/10.1103/physrevb.70.184528

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