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Phys Rev Lett. 2016 Aug 12;117(7):071102. doi: 10.1103/PhysRevLett.117.071102. Epub 2016 Aug 10.

Combined Search for Lorentz Violation in Short-Range Gravity.

Author information

1
MOE Key Laboratory of Fundamental Physical Quantities Measurements, School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.
2
School of Physics, University of Western Australia, Crawley, Western Australia 6009, Australia.
3
Physics Department, Embry-Riddle Aeronautical University, Prescott, Arizona 86301, USA.
4
Physics Department, Indiana University, Bloomington, Indiana 47405, USA.

Abstract

Short-range experiments testing the gravitational inverse-square law at the submillimeter scale offer uniquely sensitive probes of Lorentz invariance. A combined analysis of results from the short-range gravity experiments HUST-2015, HUST-2011, IU-2012, and IU-2002 permits the first independent measurements of the 14 nonrelativistic coefficients for Lorentz violation in the pure-gravity sector at the level of 10^{-9}  m^{2}, improving by an order of magnitude the sensitivity to numerous types of Lorentz violation involving quadratic curvature derivatives and curvature couplings.

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