3 papers
quant-ph2026
Informational Mpemba Effect for Fast State Purification in Non-Hermitian System
C. G. Feyisa, Huan-Yu Ku, J. -S. You +1
Quantum systems are inherently fragile to environmental fluctuations or decoherence, limiting their advantages in applications of quantum information and quantum computation. State…
quant-ph2024
High-fidelity multipartite entanglement creation in non-Hermitian qubits
C. -Y. Liu, C. G. Feyisa, Muhammad S. Hasan +1
Non-Hermitian quantum systems showcase many distinct and intriguing features with no Hermitian counterparts. One of them is the exceptional point which marks the PT (parity and tim…
quant-ph2024
Robustness of tripartite entangled states in passive PT-symmetric qubits
C. G. Feyisa, Cheng-Yu Liu, Muhammad S. Hasan +3
Non-Hermitian quantum systems have attracted significant interest in recent years due to the presence of unique spectral singularities known as exceptional points (EPs), where eige…