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quant-ph2003
Sufficient conditions of entanglement for tripartite and higher dimensional multipartite qubit density matrixes
Zai-Zhe Zhong
In this paper we give the new sufficient conditions of entanglement for multipartite qubit density matrixes. We discuss in detail the case for tripartite qubit density matrixes. As…
quant-ph2003
New criteria of separability for tripartite and more high dimensional multipartite qubit density matrixes
Zai-Zhe Zhong
In this Letter we find the new criteria of separability of multipartite qubit density matrixes. Especially, we discuss in detail the criteria of separability for tripartite qubit d…
quant-ph2003
Special reduction of density matrixes and entanglement between two bunches of particles
Zai-Zhe Zhong
By using of a special reduction way of density matrices, in this Letter we find the entanglement between two bunches of particles, its measure can be represented by the entanglemen…