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Entanglement of Formation for a Class of Quantum States
Shao-Ming Fei, Jürgen Jost, Xianqing Li-Jost and Guofang Wang
Entanglement of formation for a class of higher dimensional quantum mixed states is studied in terms of a generalized formula of concurrence for $N$-dimensional quantum systems. As applications, the entanglement of formation for a class of $16\times 16$ density matrices are calculated.