Superconductivity from energy fluctuations in dilute quantum critical polar metals

Superconductivity in low-carrier-density polar metals, such as SrTiO3, challenges the conventional electron-phonon theory due to the absence of retardation required to overcome Coulomb repulsion. Here, the authors propose that energy fluctuations of quantum-critical phonons could account for the sup...

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Bibliographic Details
Main Authors: Pavel A. Volkov, Premala Chandra, Piers Coleman
Format: Article
Language:English
Published: Nature Portfolio 2022-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-022-32303-2