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Universal Scaling Relations in Electron-phonon Superconductors by Heath, Joshuah T.; Boyack, Rufus is a scholarly article available to read on EtoBox.

What is Universal Scaling Relations in Electron-phonon Superconductors about?

We study linear scaling relations in electron-phonon superconductors. By combining numerical and analytical techniques, we find linear Homes scaling relations between the zero-temperature superfluid density and the normal-state DC conductivity. This is due to Galilean invariance being broken, either via a large impurity scattering rate or inelastic scattering of electrons and Einstein phonons at large electron-phonon coupling. Our work thus shows that Homes scaling is more universal than either cuprate or BCS-like physics, and is instead a fundamental result in a wide class of superconductors.

Author

Heath, Joshuah T.; Boyack, Rufus

Published

2024

Language

EN