Prefer a chat interface with context about you and your work?
Bosonic topological phases of matter: Bulk-boundary correspondence, symmetry protected topological invariants, and gauging
We analyze $2+1d$ and $3+1d$ bosonic symmetry protected topological (SPT) phases of matter protected by onsite symmetry group $G$ by using dual bulk and boundary approaches. In the bulk, we study an effective field theory, which upon coupling to a background flat $G$ gauge field furnishes a purely topological response …