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13 papers · 1 filter
A note on quantum Bell nonlocality and quantum entanglement for high dimensional quantum systems
Tinggui Zhang, Ya Xi, Shao-Ming Fei
We study the Bell nonlocality of high dimensional quantum systems based on quantum entanglement. A quantitative relationship between the maximal expectation value B of Bell operato…
Sharing quantum nonlocality and genuine nonlocality with independent observables
Tinggui Zhang, Shao-Ming Fei
Recently the authors in [Phys. Rev. Lett. 125, 090401 (2020)] considered the following scenario: Alice and Bob each have half of a pair of entangled qubit state. Bob measures his h…
Uncertainty relations based on Wigner-Yanase skew information
Xiaofen Huang, Tinggui Zhang, Naihuan Jing
In this paper, we use certain norm inequalities to obtain new uncertain relations based on the Wigner-Yanase skew information. First for an arbitrary finite number of observables w…
Trade-off relations of l_1-norm coherence for multipartite systems
Zhengmin Jiang, Tinggui Zhang, Xiaofen Huang +1
We study the trade-off relations given by the l_1-norm coherence of general multipartite states. Explicit trade-off inequalities are derived with lower bounds given by the coherenc…
Separability criteria based on Heisenberg-Weyl representation of density matrices
Jingmei Chang, Meiyu Cui, Tinggui Zhang +1
Separability is an important problem in theory of quantum entanglement. By using the Bloch representation of quantum states in terms of the Heisenberg-Weyl observable basis, we pre…
Uncertainties of genuinely incompatible triple measurements based on statistical distance
Hui-Hui Qin, Ting-Gui Zhang, Leonardo Jost +3
We investigate the measurement uncertainties of a triple of positive operator-valued measures (POVMs) based on statistical distance, and formulate state-independent tight uncertain…