Interaction-induced topological charge pump
Yoshihito Kuno, Yasuhiro Hatsugai
Abstract
The authors describe the phase boundary of a symmetry protected state in one dimension spanned by two parameters as a topological obstruction for the interacting charge pump associated with the symmetry breaking parameter as the third dimension.
Topics & Concepts
PhysicsCharge (physics)Symmetry (geometry)Topological quantum numberTopology (electrical circuits)Dimension (graph theory)Boundary (topology)Symmetry protected topological orderState (computer science)Symmetry breakingPhase (matter)Theoretical physicsTopological defectRotational symmetryQuantum mechanicsBoundary value problemSymmetry groupTopological orderCharge pumpCondensed matter physicsSpontaneous symmetry breakingTopological Materials and PhenomenaQuantum many-body systemsChemical and Physical Properties of Materials