Frankfurt 2006 – scientific programme

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Q: Quantenoptik und Photonik

Q 9: Quanteninformation I

Q 9.4: Talk

Monday, March 13, 2006, 14:45–15:00, HI

Genuine three-partite entangled states with a local hidden variable model — •Geza Toth¹ and Antonio Acin² — ¹Theoretical Division, Max Planck Institute for Quantum Optics, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany — ²ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain

We present a family of three-qubit quantum states with a basic rotationally symmetric local hidden variable model. Any von Neumann measurement can be described by a local model for these states. We show that some of these states are genuine three-partite entangled. The generalization for larger dimensions or higher number of parties is also discussed. As a byproduct, we present symmetric extensions of two-qubit Werner states.

For further details, please see quant-ph/0512088.