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cond-mat.str-el2024
Optical Conductivity in Symmetric Mass Generation Insulators
Meng Zeng, Fu Xu, Da-Chuan Lu +1
Symmetric mass generation (SMG) insulators are interaction-driven, featureless Mott insulating states in quantum many-body fermionic systems. Recent advancements suggest that zeros…
cond-mat.str-el2024★ 21 cited
Gapless symmetry-protected topological phases and generalized deconfined critical points from gauging a finite subgroup
Lei Su, Meng Zeng
Gauging a finite subgroup of a global symmetry can map conventional phases and phase transitions to unconventional ones. In this work, we study, as a concrete example, an emergent…