Robustness of multipartite entangled states in passive PT-symmetric qubits

Robustness of multipartite entangled states in passive PT-symmetric qubits

Non-Hermitian quantum systems have attracted significant interest in recent years due to the presence of unique spectral singularities in which eigenvalues and eigenvectors coalesce. Those singularities are known as exceptional points (EPs). The drastic changes of the non-Hermitian systems around th...

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Bibliographic Details
Main Authors: C. G. Feyisa, Cheng-Yu Liu, Muhammad S. Hasan, J. S. You, Huan-Yu Ku, H. H. Jen
Format: Article
Language:English
Published: American Physical Society 2025-07-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/ypd8-r9gq
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