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6 papers · 2 filters
Hybrid of Gradient Descent And Semidefinite Programming for Certifying Multipartite Entanglement Structure
Kai Wu, Zhihua Chen, Zhen-Peng Xu +2
Multipartite entanglement is a crucial resource for a wide range of quantum information processing tasks, including quantum metrology, quantum computing, and quantum communication.…
Quantifying genuine tripartite entanglement by reshaping the state
Dong-Dong Dong, Li-Juan Li, Xue-Ke Song +2
Although genuine multipartite entanglement (GME), as one quantum resource, is indispensable in quantum information processing, most of the existing measures cannot detect GME faith…
Entropic uncertainty relations in Schwarzschild space-time
Tian-Yu Wang, Dong Wang
The uncertainty principle is deemed as one of cornerstones in quantum mechanics, and exploring its lower limit of uncertainty will be helpful to understand the principle's nature.…
Einstein-Podolsky-Rosen Steering Criterion and Monogamy Relation via Correlation Matrices in Tripartite Systems
Li-Juan Li, Xiao-Gang Fan, Xue-Ke Song +2
Quantum steering is considered as one of the most well-known nonlocal phenomena in quantum mechanics. Unlike entanglement and Bell non-locality, the asymmetry of quantum steering m…
Quantum battery in the Heisenberg spin chain models with Dzyaloshinskii-Moriya interaction
Xiang-Long Zhang, Xue-Ke Song, Dong Wang
Quantum battery (QB) is an energy storage and extraction device conforming to the principles of quantum mechanics. In this study, we consider the characteristics of QBs for the Hei…
Evaluating extractable work of quantum batteries via entropic uncertainty relations
Meng-Long Song, Xue-Ke Song, Liu Ye +1
In this study, we investigate the effectiveness of entropic uncertainty relations (EURs) in discerning the energy variation in quantum batteries (QBs) modelled by battery-charger-f…