Average Symmetry-Protected Topological Phases
Ruochen Ma, Chong Wang
Abstract
Symmetry-protected topological phases---quantum states typically defined by some exact symmetry---are also well defined for average symmetries, where disorder locally breaks the symmetry but restores it on average.
Topics & Concepts
Symmetry (geometry)Homogeneous spaceSymmetry protected topological orderPhysicsQuantumTopology (electrical circuits)Theoretical physicsSymmetry numberGlobal symmetrySpontaneous symmetry breakingTopological orderQuantum mechanicsSymmetry breakingMathematicsGeometryCombinatoricsTopological Materials and PhenomenaQuantum many-body systemsCold Atom Physics and Bose-Einstein Condensates