A constant self-consistent scattering lifetime in superconducting strontium ruthenate

Authors

DOI:

https://doi.org/10.31349/RevMexFis.70.060501

Keywords:

Constant superconducting lifetime; strontium ruthenate; unconventional superconductivity; ultrasound attenuation; electronic thermal conductivity; self-consistent method

Abstract

In this numerical work, we find a self-consistent constant scattering superconducting lifetime for two different values of the disorder parameters, the inverse atomic strength, and the stoichiometric impurity in the triplet paired unconventional super-conductor strontium ruthenate. This finding is relevant for experimentalists given that the expressions for the ultrasound attenuation and the electronic thermal conductivity depend on the superconducting scattering lifetime, and a constant lifetime fits well nonequilibrium experimental data. Henceforth, this work helps experimentalists in their interpretation of the acquired data. Additionally, we encountered tiny imaginary parts of the self-energy that resembles the Miyake-Narikiyo tiny gap out-side the unitary elastic scattering limit, and below the threshold zero gap value of 1.0 meV.

Author Biography

Pedro L. Contreras, Universidad de los Andes

Physicist, Professor at University of los Andes with experience in University Education, Condensed Matter Theory and Exploration Geophysics. Mérida, Venezuela

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2024-11-01

How to Cite

[1]
P. L. Contreras, “A constant self-consistent scattering lifetime in superconducting strontium ruthenate”, Rev. Mex. Fís., vol. 70, no. 6 Nov-Dec, pp. 060501 1–, Nov. 2024.

Issue

Vol. 70 No. 6 Nov-Dec (2024): Revista Mexicana de Física

Section

05 Condensed Matter

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