36 citations · 162 across the 11 of their papers we have counts for
11 papers
Tunable topological enhancement of covariant quantum Fisher information via non-Bloch skin effect in non-Hermitian SSH lattices
Qi-Cheng Wu, Yan-Hui Zhou, Tong Liu +2
The covariant quantum Fisher information (CQFI) has recently been established as the ultimate precision benchmark for pseudo-Hermitian sensors [Phys. Rev. Lett. 136, 080802 (2026)]…
Parameter trajectory engineering for state transfer and quantum sensing in non-Hermitian two-level systems
Qi-Cheng Wu, Yan-Hui Zhou, Biao-liang Ye +4
Exceptional points (EPs) in non-Hermitian systems give rise to enhanced sensitivity and chiral state transfer, which are important for quantum technologies. Although parameter traj…
Enhanced quantum sensing in time-modulated non-Hermitian systems
Qi-Cheng Wu, Yan-Hui Zhou, Tong Liu +3
Enhancing the sensitivity of quantum sensing near an exceptional point represents a significant phenomenon in non-Hermitian (NH) systems. However, the application of this property…
Shortcuts to adiabatic state transfer in time-modulated two-level non-Hermitian systems
Qi-Cheng Wu, Jun-Long Zhao, Yan-Hui Zhou +4
Nontrivial spectral properties of non-Hermitian systems can give rise to intriguing effects that lack counterparts in Hermitian systems. For instance, when dynamically varying syst…
Extension of Noether's theorem in PT-symmetric systems and its experimental demonstration in an optical setup
Q. C. Wu, J. L. Zhao, Y. L. Fang +4
Noether's theorem is one of the fundamental laws in physics, relating the symmetry of a physical system to its constant of motion and conservation law. On the other hand, there exi…
-photon blockade with an -photon parametric drive
Yan-Hui Zhou, Fabrizio Minganti, Wei Qin +5
We propose a mechanism to engineer an -photon blockade in a nonlinear cavity with an -photon parametric drive . When an -photon-excitation reson…
Quantum state discrimination in a PT-symmetric system
Dong-Xu Chen, Yu Zhang, Jun-Long Zhao +4
Nonorthogonal quantum state discrimination (QSD) plays an important role in quantum information and quantum communication. In addition, compared to Hermitian quantum systems, parit…
Experimental investigation of wave-particle duality relations in asymmetric beam interference
Dong-Xu Chen, Yu Zhang, Jun-Long Zhao +4
Wave-particle duality relations are fundamental for quantum physics. Previous experimental studies of duality relations mainly focus on the quadratic relation , based…
Entanglement Dynamics in Anti--Symmetric Systems
Yu-Liang Fang, Jun-Long Zhao, Dong-Xu Chen +5
In the past years, many efforts have been made to study various noteworthy phenomena in both parity-time () and anti-parity-time () symmetric systems.…
Entanglement-interference complementarity and experimental demonstration in a superconducting circuit
Xin-Jie Huang, Pei-Rong Han, Wen Ning +12
Quantum entanglement between an interfering particle and a detector for acquiring the which-path information plays a central role for enforcing Bohr's complementarity principle. Ho…
Experimental demonstration of coherence flow in - and anti--symmetric systems
Yu-Liang Fang, Jun-Long Zhao, Yu Zhang +5
Non-Hermitian parity-time () and anti-parity-time ()-symmetric systems exhibit novel quantum properties and have attracted increasing interest. Althoug…