7 citations · 21 across the 15 of their papers we have counts for
15 papers
Enhancing Quantum Metrology with High-order Fisher Information and Experiments
Xin-Zhu Liu, Jun-Li Jiang, Yan-Han Yang +4
Fisher information plays a central role in statistics and quantum metrology, providing the basis for the celebrated Cramér-Rao bound. In this work, we introduce a new information m…
Photonic Energy-Coherence Theorem and Experimental Validations
Yan-Han Yang, Xin-Zhu Liu, Jun-Li Jiang +5
Wave-particle duality, intertwining two inherently contradictory properties of quantum systems, remains one of the most conceptually profound aspects of quantum mechanics. By using…
A note on lower bounds of concurrence for arbitrary dimensional bipartite quantum states
Zhi-Bo Chen, Shao-Ming Fei
Quantification of quantum entanglement plays a crucial role in the study of quantum information tasks. We present analytical lower bounds for both concurrence and 2-concurrence bas…
On Sufficient and Necessary Criteria of Multipartite Quantum Entanglement
Zhi-Bo Chen, Shao-Ming Fei
Based on the generalized Bloch representation, we study the separability and entanglement of arbitrary dimensional multipartite quantum states. Some sufficient and some necessary c…
Experimental verification of quantum battery capacity with an optical platform
Xue Yang, Yan-Han Yang, Xin-Zhu Liu +4
Quantum batteries, consisting of quantum cells, are anticipated to surpass their classical counterparts in performance because of the presence of quantum correlations. Recent theor…
Entropic uncertainty relations and quantum Fisher information of top quarks in a large hadron collider
Biao-Liang Ye, Li-Yuan Xue, Zhi-Qiang Zhu +2
We employ the entropic uncertainty relations and the quantum Fisher information to explore the formation of quark pairs at a large hadron collider through the combinatio…
Classifying multiparticle entanglement with passive state energies
Xue Yang, Yan-Han Yang, Xin-Zhu Liu +2
Thermodynamics as a fundamental branch of physics examines the relationships between heat, work, and energy. The maximum energy extraction can be characterized by using the passive…
Verifying Hierarchic Multipartite and Network Nonlocalities with a Unified Method
Ming-Xing Luo, Shao-Ming Fei
The multipartite nonlocality provides deep insights into the fundamental feature of quantum mechanics and guarantees different degrees of cryptography security for potential applic…
Multiparticle entanglement classification with ergotropic gap
Xue Yang, Yan-Han Yang, Shao-Ming Fei +1
The presence of quantum multipartite entanglement implies the existence of a thermodynamic quantity known as the ergotropic gap, which is defined as the difference between the maxi…
Separability and lower bounds of quantum entanglement based on realignment
Jiaxin Sun, Hongmei Yao, Shao-Ming Fei +1
The detection and estimation of quantum entanglement are the essential issues in the theory of quantum entanglement. We construct matrices based on the realignment of density matri…
Quantum entanglement estimation via symmetric measurement based positive maps
Jiaxin Li, Hongmei Yao, Shao-Ming Fei +2
We provide a class of positive and trace-preserving maps based on symmetric measurements. From these positive maps we present separability criteria, entanglement witnesses, as well…
Local-projective-measurement-enhanced quantum battery capacity
Tinggui Zhang, Hong Yang, Shao-Ming Fei
Quantum batteries have significant potential applications for future industry and daily life. The capacity is an important indicator for a battery. Methods to improve the capacity…
Verification of Bell Nonlocality by Violating Quantum Monogamy Relations
Yan-Han Yang, Xin-Zhu Liu, Xing-Zhou Zheng +2
Quantum nonlocality as a witness of entanglement plays a crucial role in various fields. Existing quantum monogamy relations rule out the possibility of simultaneous violations of…
Local unitary equivalence of arbitrary-dimensional multipartite quantum states
Qing Zhou, Yi-Zheng Zhen, Xin-Yu Xu +6
Local unitary equivalence is an important ingredient for quantifying and classifying entanglement. Verifying whether or not two quantum states are local unitary equivalent is a cru…
Sharing Bell nonlocality of bipartite high-dimensional pure states using only projective measurements
Tinggui Zhang, Hong Yang, Shao-Ming Fei
Bell nonlocality is the key quantum resource in some device-independent quantum information processing. It is of great importance to study the efficient sharing of this resource. U…