Physical review letters
Spectral Properties of Fractionalized Shiba States.
Cătălin Paşcu Moca, Csanád Hajdú, Balázs Dóra, Gergely Zaránd
Published: 202510.1103/g4sp-t82d
Abstract
A magnetic impurity in a BCS superconductor induces the formation of a Shiba state and drives a local quantum phase transition. We generalize this concept to a one-dimensional superconductor with fractionalized excitations, where the dominant instabi…
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