Self-stabilizing temperature-driven crossover between topological and nontopological ordered phases in one-dimensional conductors
Résumé
We present a self-consistent analysis of the topological superconductivity arising from the interaction between self-ordered localized magnetic moments and electrons in one-dimensional conductors in contact with a superconductor. We show that, due to a gain in entropy, there exists a magnetically ordered yet nontopological phase at finite temperatures that is relevant for systems of magnetic adatom chains on a superconductor. The spin-orbit interaction is taken into account, and we show that it causes a modification of the magnetic order, yet without affecting the topological properties.
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