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Does three-tangle properly quantify the three-party entanglement for Greenberger-Horne-Zeilinger-type states?
three-tangle three-party entanglement Greenberger-Horne-Zeilinger-type states
2010/4/8
Some mixed states composed of only GHZ states can be expressed in terms of only W-states. This fact implies that such states have vanishing three-tangle. One of such rank-3 states, $\Pi_{GHZ}$, is exp...