A Characterization of Global Entanglement.

Love, Peter J.

Van Den Brink, Alec Maassen.

Smirnov, A.Yu.

Amin, M.H.S.

Grajcar, M.

Il'ichev, E.

Izmalkov, A.

Zagoskin, A.M.


  • We define a set of 2 n-1-1 entanglement monotones for n qubits and give a single measure of entanglement in terms of these. This measure is zero except on globally entangled (fully inseparable) states. This measure is compared to the Meyer-Wallach measure for two, three, and four qubits. We determine the four-qubit state, symmetric under exchange of qubit labels, which maximizes this measure. It ... read more
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  • Love, Peter J., Alec Maassen van den Brink, A. Yu. Smirnov, M. H. S. Amin, M. Grajcar, E. Il'ichev, A. Izmalkov, and A. M. Zagoskin. "A Characterization of Global Entanglement." Quantum Information Processing 6, no. 3 (May 15, 2007): 187-195. doi:10.1007/s11128-007-0052-7.
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