Phys. Rev. Lett. 90, 151101 (2003) [4 pages]New Experimental Constraints on Non-Newtonian Forces below 100 μmReceived 26 September 2002; revised 2 December 2002; published 17 April 2003 We have searched for large deviations from Newtonian gravity by means of a finite-frequency microcantilever-based experiment. Our data eliminate from consideration mechanisms of deviation that posit strengths ∼104 times Newtonian gravity at length scales of 20 μm. This measurement is 3 orders of magnitude more sensitive than others that provide constraints at similar length scales. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.151101
DOI:
10.1103/PhysRevLett.90.151101
PACS:
04.80.Cc
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