Physics – Quantum Physics
Scientific paper
2009-12-19
Int. J. Theor. Phys., 49, 657-659 (2010)
Physics
Quantum Physics
3 pages
Scientific paper
10.1007/s10773-009-0225-5
Recently, Li. \emph{et. al.} [Int. J. Theor. Phys., 48, 2777 (2009)] derived a necessary and sufficient condition for LOCC cloning of a set of bipartite orthogonal partially but equally entangled state. We demonstrates that, the result is based on a wrong observation regarding a set of non-maximally entangled states with equal entanglement. We also provide a simple example in favor of our comment.
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