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Q: Fachverband Quantenoptik und Photonik

Q 59: Quantum Effects: Interference and Correlations

Q 59.5: Vortrag

Freitag, 18. März 2011, 11:30–11:45, SCH A01

Separability criterion for modular variables — •Clemens Gneiting and Klaus Hornberger — Max Planck Institute for the Physics of Complex Systems, Noethnitzer Str. 38, 01187 Dresden

In the spirit of Young-type interference experiments in the single-particle case, one can establish bipartite entanglement in the motion of material particles by nonlocal spatial interference patterns. I introduce a natural class of non-Gaussian states which yield such nonlocal interference patterns under position measurements and violate a suitable separability criterion. The latter is formulated in terms of modular variables, a concept adapted to interference phenomena and thus capable to capture the expressed correlations.