Interaction effects on the classification of crystalline topological insulators and superconductors
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DOI: 10.1103/physrevb.95.195108
Abstract: We classify interacting topological insulators and superconductors with order-two crystal symmetries (reflection and twofold rotation), focusing on the case where interactions reduce the noninteracting classification. We find that the free-fermion $\mathbb{Z}_2$ classifications are stable against… read more here.
Keywords: crystalline topological; effects classification; topological insulators; interaction effects ... See more keywords
Classification of topological insulators and superconductors out of equilibrium
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DOI: 10.1103/physrevb.99.075148
Abstract: We establish the existence of a topological classification of many-particle quantum systems undergoing unitary time evolution. The classification naturally inherits phenomenology familiar from equilibrium -- it is robust against disorder and interactions, and exhibits a… read more here.
Keywords: topological insulators; classification topological; insulators superconductors; equilibrium classification ... See more keywords