Physics – Quantum Physics
Scientific paper
2011-04-06
Physics
Quantum Physics
Scientific paper
While the detection of entanglement has been proved already to be quite a difficult task, experimental quantification of entanglement is even more challenging. In this work, we derive an analytical lower bound for the concurrence of a bipartite mix quantum state in arbitrary dimension. The lower bound is experimentally implementable in a feasible way, which enabling quantification of entanglement in a broad variety of cases
Chen Jing-Ling
Chen Zhi-Hua
Ma Zhi-Hao
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