Phys. Rev. Lett. 100, 185301 (2008) [4 pages]Phase Separated BEC for High-Sensitivity Force MeasurementReceived 22 November 2007; revised 17 December 2007; published 5 May 2008 A trapped, phase separated, two component Bose-Einstein condensate (BEC) can be configured to give a single BEC bubble that floats freely in the surrounding BEC. We point out that this system gives a unique template to carry out mesoscopic quantum studies and to detect weak forces. We demonstrate the detection capabilities by proposing and studying a “quantum level” for fundamental quantum fluctuation studies and for mapping the potential energy landscape near a surface with exquisite accuracy. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.185301
DOI:
10.1103/PhysRevLett.100.185301
PACS:
67.60.−g, 03.75.Mn, 06.20.−f
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