Higher-form entanglement asymmetry serves as a sub-leading order parameter for 2D Abelian topological order, comparable to topological entanglement entropy and expressible via quantum dimension, with scaling that detects order even in deformed models.
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Entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices exhibits nonanalytic dependence on energy imbalance and persists after a quench to the symmetric point due to flat bands in certain geometries.
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Higher-form entanglement asymmetry and topological order
Higher-form entanglement asymmetry serves as a sub-leading order parameter for 2D Abelian topological order, comparable to topological entanglement entropy and expressible via quantum dimension, with scaling that detects order even in deformed models.
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Dynamics of entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices
Entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices exhibits nonanalytic dependence on energy imbalance and persists after a quench to the symmetric point due to flat bands in certain geometries.