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QES Seminar 2/14/2011: Characterizing Multiparticle Entanglement, Otfried Guhne (University of Siegen)

Entanglement is a valuable resource in quantum information processing, therefore its characterization is important for the field. Moreover, many experiments nowadays aim at the generation of multiparticle entanglement between several particles, and up to ten qubits have been entangled using polarized photons or trapped ions.

In this talk, I present some results on the characterization of multiparticle entanglement. First, I will discuss how entanglement can be detected with a high statistical significance. This is relevant for multi-photon experiments, since there the count rates are small. Second, I will investigate how different classes of entanglement can be distinguished. Finally, I will present an approach to characterize multiparticle quantum correlations using semidefinite programming.

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Location: Bowen Hall Atrium

Date/Time: 02/14/11 at 12:30 pm - 02/14/11 at 1:30 pm

Category: PRISM/MITRE (QES) Seminar Series

Department: PRISM