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quant-ph2026
Entanglement and non-local magic in a non-unitarily deformed non-Hermitian bipartite system
Chen-Huan Wu
Non-Hermitian degeneracies are usually discussed through spectral coalescence, whereas entanglement is a property of eigenvectors and need not be fixed by the eigenvalues alone. We…
quant-ph2023
Non-defective degeneracy in non-Hermitian bipartite system
Chen-Huan Wu
Starting from a Hermitian operator with two distinct eigenvalues, we construct a non-Hermitian bipartite system in Gaussian orthogonal ensemble according to random matrix theory, w…