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Condensed Matter > Other Condensed Matter

arXiv:cond-mat/0506208 (cond-mat)
[Submitted on 8 Jun 2005 (v1), last revised 22 Sep 2005 (this version, v2)]

Title:Measurement of the Casimir-Polder force through center-of-mass oscillations of a Bose-Einstein condensate

Authors:D.M. Harber, J.M. Obrecht, J.M. McGuirk, E.A. Cornell
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Abstract: We have performed a measurement of the Casimir-Polder force using a magnetically trapped 87-Rb Bose-Einstein condensate. By detecting perturbations of the frequency of center-of-mass oscillations of the condensate perpendicular to the surface, we are able to detect this force at a distance ~5 microns, significantly farther than has been previously achieved, and at a precision approaching that needed to detect the modification due to thermal radiation. Additionally, this technique provides a limit for the presence of non-Newtonian gravity forces in the ~1 micron range.
Comments: 7 pages, 3 figures, published in Phys. Rev. A
Subjects: Other Condensed Matter (cond-mat.other); High Energy Physics - Phenomenology (hep-ph); Quantum Physics (quant-ph)
Cite as: arXiv:cond-mat/0506208 [cond-mat.other]
  (or arXiv:cond-mat/0506208v2 [cond-mat.other] for this version)
  https://doi.org/10.48550/arXiv.cond-mat/0506208
Journal reference: Phys.Rev.A72:033610,2005
Related DOI: https://doi.org/10.1103/PhysRevA.72.033610

Submission history

From: John Obrecht [view email]
[v1] Wed, 8 Jun 2005 22:24:46 UTC (35 KB)
[v2] Thu, 22 Sep 2005 16:26:42 UTC (47 KB)
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