A many-body winding invariant based on Pancharatnam phases uniquely determines the 4^ν entanglement-spectrum degeneracy scaling in interacting generalized SSH chains, establishing symmetry-protected bulk-boundary correspondence.
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In the non-Hermitian XY model the scaling of ground-state correlations and entanglement entropy remains identical to the Hermitian version because Z2 symmetry breaking produces the ferromagnetic phase while U(1) symmetry emergence plus real-energy degeneracy produces the Luttinger liquid phase with
Ground states of a tuned spin-1 XXZ chain in the Haldane phase enable high-fidelity single-qubit gates via measurement-based quantum computation.
citing papers explorer
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Symmetry Protected Bulk-Boundary Correspondence in Interacting Topological Insulators
A many-body winding invariant based on Pancharatnam phases uniquely determines the 4^ν entanglement-spectrum degeneracy scaling in interacting generalized SSH chains, establishing symmetry-protected bulk-boundary correspondence.
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Survival of Hermitian Criticality in the Non-Hermitian Framework
In the non-Hermitian XY model the scaling of ground-state correlations and entanglement entropy remains identical to the Hermitian version because Z2 symmetry breaking produces the ferromagnetic phase while U(1) symmetry emergence plus real-energy degeneracy produces the Luttinger liquid phase with
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Measurement-Based Quantum Computation Using the Spin-1 XXZ Model with Uniaxial Anisotropy
Ground states of a tuned spin-1 XXZ chain in the Haldane phase enable high-fidelity single-qubit gates via measurement-based quantum computation.