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

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

2004-07-07

arxiv.org/abs/cond-mat/0407181v1

Physics

Condensed Matter

Superconductivity

7 pages, REVTeX

Scientific paper

10.1103/PhysRevB.70.184528

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 \gamma band on the one hand, and on the \alpha and \beta bands 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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