Cavity Opto-Mechanics with a Bose-Einstein Condensate

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dc.creatorBrennecke, Ferdinand
dc.creatorRitter, Stephan
dc.creatorDonner, Tobias
dc.creatorEsslinger, Tilman
dc.date2008-07-15
dc.date.accessioned2026-07-07T10:16:38Z
dc.date.available2026-07-07T10:16:38Z
dc.descriptionCavity opto-mechanics studies the coupling between a mechanical oscillator and a cavity field, with the aim to shed light on the border between classical and quantum physics. Here we report on a cavity opto-mechanical system in which a collective density excitation of a Bose-Einstein condensate is shown to serve as the mechanical oscillator coupled to the cavity field. We observe that a few photons inside the ultrahigh-finesse cavity trigger a strongly driven back-action dynamics, in quantitative agreement with a cavity opto-mechanical model. With this experiment we approach the strong coupling regime of cavity opto-mechanics, where a single excitation of the mechanical oscillator significantly influences the cavity field. The work opens up new directions to investigate mechanical oscillators in the quantum regime and quantum gases with non-local coupling.
dc.descriptionF.B. and S.R. contributed equally to this work. 6 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0807.2347
dc.identifierhttp://arxiv.org/abs/0807.2347
dc.identifierScience 322, 235-238 (2008)
dc.identifierdoi:10.1126/science.1163218
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173574
dc.subjectQuantum Physics
dc.subjectOther Condensed Matter
dc.titleCavity Opto-Mechanics with a Bose-Einstein Condensate
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