A GBZ transformation produces a quasi-reciprocal Hamiltonian that encodes open-boundary non-Hermitian many-body physics under periodic boundaries, with phases distinguished by Zak phase, CDW structure factor, and low-lying entanglement spectrum degeneracy.
Excep- tional entanglement in non-hermitian fermionic models,
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PT symmetry enriches non-Hermitian critical points with topological nontriviality, robust edge modes, and a quantized imaginary subleading term in entanglement entropy scaling.
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Many-Body Non-Hermitian Physics in the Generalized Brillouin Zone
A GBZ transformation produces a quasi-reciprocal Hamiltonian that encodes open-boundary non-Hermitian many-body physics under periodic boundaries, with phases distinguished by Zak phase, CDW structure factor, and low-lying entanglement spectrum degeneracy.
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PT symmetry-enriched non-unitary criticality
PT symmetry enriches non-Hermitian critical points with topological nontriviality, robust edge modes, and a quantized imaginary subleading term in entanglement entropy scaling.