Electronic heat transport for a multiband superconducting gap in Sr2RuO4
Abstract
This paper gives a detailed numerical study of the superconducting electronic heat transport in the unconventional multiband superconductor Strontium Ruthenate Sr2RuO4. The study demostrates that a model with different nodal structures on different sheets of the Fermi surface is able to describe quantitatively experimental heat transport data. The contribution of the density of states DOS is given for each sheet of the Fermi surface and the total contribution is also calculated. Finally, a discussion of the universal character of the electronic heat transport in unconventional superconductors and its relation to the DOS based on the type of nodal structure of the superconducting gap in Sr2RuO4 is given.
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