Resonant coupling of a Bose-Einstein condensate to a micromechanical oscillator

Details Resonant coupling of a Bose-Einstein condensate to a micromechanical oscillator Resonant coupling of a Bose-Einstein condensate to a micromechanical oscillator

2010-03-04

arxiv.org/abs/1003.1126v1

Physics

Quantum Physics

9 pages, 4 figures

Scientific paper

We report experiments in which the vibrations of a micromechanical oscillator are coupled to the motion of Bose-condensed atoms in a trap. The interaction relies on surface forces experienced by the atoms at about one micrometer distance from the mechanical structure. We observe resonant coupling to several well-resolved mechanical modes of the condensate. Coupling via surface forces does not require magnets, electrodes, or mirrors on the oscillator and could thus be employed to couple atoms to molecular-scale oscillators such as carbon nanotubes.

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