Finite temperature fluctuation-induced order and responses in magnetic topological insulators

We derive an effective field theory model for magnetic topological insulators and predict that a magnetic electronic gap persists on the surface for temperatures above the ordering temperature of the bulk. Our analysis also applies to interfaces of heterostructures consisting of a ferromagnetic and...

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Bibliographic Details
Main Authors: Marius Scholten, Jorge I. Facio, Rajyavardhan Ray, Ilya M. Eremin, Jeroen van den Brink, Flavio S. Nogueira
Format: Article
Language:English
Published: American Physical Society 2021-07-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.3.L032014