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Combined Search for Lorentz Violation in Short-Range Gravity

发布时间:2016-12-09          来源:办公室           浏览次数:

Cheng-Gang Shao, Yu-Jie Tan, Wen-Hai Tan, Shan-Qing Yang, and Jun Luo*


MOE Key Laboratory of Fundamental Physical Quantities Measurements, School of Physics,

Huazhong University of Science and Technology, Wuhan 430074, Peoples Republic of China

Michael Edmund Tobar

School of Physics, University of Western Australia, Crawley, Western Australia 6009, Australia

Quentin G. Bailey

Physics Department, Embry-Riddle Aeronautical University, Prescott, Arizona 86301, USA

J. C. Long, E. Weisman, Rui Xu, and V. Alan Kostelecký§

Physics Department, Indiana University, Bloomington, Indiana 47405, USA

(Received 13 March 2016; revised manuscript received 29 May 2016; published 10 August 2016)

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 m2, improving by an order of magnitude the sensitivity to numerous types of Lorentz

violation involving quadratic curvature derivatives and curvature couplings.

DOI: 10.1103/PhysRevLett.117.071102

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