Combined Search for a Lorentz-Violating Force in Short-Range Gravity Varying as the Inverse Sixth Power of Distance

Abstract

Precision measurements of the inverse-square law via experiments on short-range gravity provide sensitive tests of Lorentz symmetry. A combined analysis of data from experiments at the Huazhong University of Science and Technology and Indiana University sets simultaneous limits on all 22 coefficients for Lorentz violation correcting the Newton force law as the inverse sixth power of distance. Results are consistent with no effect at the level of $10^{-12}$ m${}^4$.

7 pages two-column REVTeX, accepted for publication in Physical Review Letters

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• Analysis of birefringence and dispersion effects from spacetime-symmetry breaking in gravitational waves
• Testing the Gravitational Weak Equivalence Principle in the Standard-Model Extension with Binary Pulsars
• Gravity with Explicit Diffeomorphism Breaking
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• Testing Lorentz symmetry with space-based gravitational-wave detectors