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Hannover 2016 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 42: Poster: Quantum Optics and Photonics III

Q 42.18: Poster

Wednesday, March 2, 2016, 16:30–19:00, Empore Lichthof

Witnessing genuine multilevel entanglement — •Tristan Kraft, Christina Ritz, and Otfried Gühne — Department Physik, Universität Siegen, Germany

Entanglement is arguably one of the most intriguing phenomena in physics and is believed to be a fundamental resource for quantum communication and quantum information. In recent years due to the hard work of many experimentalists the preparation of entangled systems with dimensions larger than two became feasible. Therefore it is necessary to have strong entanglement criteria to detect genuine multilevel entanglement in higher dimensional systems.

Here we present entanglement criteria based on qudit graph states which are generalizations of the well known qubit graph states. We also discuss the fact that in some cases the certification of genuine multilevel entanglement does not imply the ability to coherently manipulate a qudit system in its entirety.

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