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4 papers · 2 filters
Geometric measure of quantum discord for a two-parameter class of states in a qubit-qutrit system under various dissipative channels
Hai-Rui Wei, Bao-Cang Ren, Fu-Guo Deng
Quantum discord, as a measure of all quantum correlations, has been proposed as the key resource in certain quantum communication tasks and quantum computational models without con…
High-efficiency multipartite entanglement purification of electron-spin states with charge detection
Tao Li, Bao-Cang Ren, Hai-Rui Wei +2
We present a high-efficiency multipartite entanglement purification protocol (MEPP) for electron-spin systems in a Greenberger-Horne-Zeilinger state based on their spins and their…
Quantum simulation of artificial Abelian gauge field using nitrogen-vacancy center ensembles coupled to superconducting resonators
W. L. Yang, Zhang-qi Yin, Z. X. Chen +3
We propose a potentially practical scheme to simulate artificial Abelian gauge field for polaritons using a hybrid quantum system consisting of nitrogen-vacancy center ensembles (N…
Decomposition of orthogonal matrix and synthesis of two-qubit and three-qubit orthogonal gates
Hai-Rui Wei, Yao-Min Di
The decomposition of matrices associated to two-qubit and three-qubit orthogonal gates is studied, and based on the decomposition the synthesis of these gates is investigated. The…