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cond-mat.str-el2020
Absolute anomalies in (2+1)D symmetry-enriched topological states and exact (3+1)D constructions
Daniel Bulmash, Maissam Barkeshli
Certain patterns of symmetry fractionalization in (2+1)D topologically ordered phases of matter can be anomalous, which means that they possess an obstruction to being realized in…
cond-mat.str-el2020
Topological Defect Networks for Fractons of all Types
David Aasen, Daniel Bulmash, Abhinav Prem +2
Fracton phases exhibit striking behavior which appears to render them beyond the standard topological quantum field theory (TQFT) paradigm for classifying gapped quantum matter. He…