Hamburg 2009 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 64: Quanteneffekte: Verschränkung

Q 64.8: Talk

Friday, March 6, 2009, 15:45–16:00, VMP 6 HS-D

Steady state entanglement in the mechanical vibrations of two dielectric membranes — •Michael Hartmann^1,2,3 and Martin Plenio^2,3 — ¹Technische Universität München, Physik Department, 85748 Garching, Germany — ²Institute for Mathematical Sciences, Imperial College London, United Kingdom — ³QOLS Blackett Laboratory, Imperial College London, United Kingdom

We consider two dielectric membranes suspended inside a Fabry-Perot-cavity, which are cooled to a steady state via a drive by suitable classical lasers. We show that the vibrations of the membranes can be entangled in this steady state. They thus form two mechanical, macroscopic degrees of freedom that share steady state entanglement.