New experimental constraints on non-Newtonian forces below 100 microm.
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 approximately 10(4) times Newtonian gravity at length scales of 20 microm. This measurement is 3 orders of magnitude more sensitive than others that provide constraints at similar length scales.
Department of Applied Physics, Stanford University, Stanford, CA 94305, USA.
J
J
Chiaverini
S J
SJ
Smullin
A A
AA
Geraci
D M
DM
Weld
A
A
Kapitulnik