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Mardi 05 juin 2012-14:00
The quest for highly entangled symmetric states
John Martin (Universite de Liege, Belgique)
par - 5 juin 2012
In this talk, I will present a study on the entanglement properties of pure symmetric N-qubit states, focusing more particularly on the identification of symmetric states with a high geometric entanglement and how their entanglement behaves asymptotically for large N. I will show that the quest for high geometric entanglement is somehow related to J. J. Thomson’s century-old problem of the minimum energy configuration of charges on the surface of a sphere. I will also discuss an upper bound for the geometric measure of entanglement of symmetric states.
Post-scriptum :
contact : Bertrand Georgeot