The magnetic field driven superconductor-metal transition in disordered hole-overdoped cuprates
arXiv:2301.04175 · doi:10.1088/1361-648X/acaf1e
Abstract
By solving the Bogoliubov-de Gennes equations for a -wave superconductor, we explore how the interplay between disorder and the orbital depairing of an external magnetic field influences the superconductor-metal transition of the hole-overdoped cuprates. For highly disordered systems, we find granular Cooper paring to persist above the critical field where the superfluid stiffness goes to zero. We also show that because the vortices are attracted to regions where the superconducting pairing is already weak, the Caroli-de Gennes-Matricon zero-bias peak in the local density of states at the vortex cores disappears already at moderate disorder.
arXiv comment10 pages (+ 4 pages of appendix), 3 figures
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