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quant-ph2010★ 6 cited
Generalizations of Quantum Discord
Jianwei Xu
The original definition of quantum discord of bipartite states was defined over projective measurements, in this paper we discuss some generalizations of it. These generalizations…
quant-ph2010
Symplectic space and orthogonal space of n qubits
Jian-Wei Xu
In the Hilbert space of n qubits, we introduce the symplectic space (n odd) and the orthogonal space (n even) via the spin-flip operator. Under this mathematical structure we discu…