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.
Negative su- perinflating bipartite fluctuations near exceptional points inPT-symmetric models,
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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.