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most citedGeometric phases for mixed states in interferometry

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quant-ph2003★ 3 cited

Quantifying entanglement in "Experimental entanglement of four particles"

A. K. Pati

We quantify various possible entanglement measures for the four particles GHZ entangled state that has been produced experimentally [C. Sackett et al, Nature 404, 256-259 (2000)].