Comment on "Nontrivial Quantum Geometry and the Strength of Electron-Phonon Coupling", arXiv:2305.02340, J. Yu, C. J. Ciccarino, R. Bianco, I. Errea, P. Narang, B. A. Bernevig

Warren E. Pickett

The titular manuscript invites a description of the background of research on MgB${}_2$,whose unique electron-phonon coupling strength and record superconducting T${}_c$ for such a mat…