Superconducting-Gravimeter Tests of Local Lorentz Invariance
Natasha A. Flowers, Casey Goodge, and Jay D. Tasson
TL;DR
This paper uses superconducting-gravimeter data to test local Lorentz invariance in gravity, achieving improved sensitivities for Lorentz-violating operators through a maximum-reach analysis.
Contribution
It provides new experimental constraints on Lorentz invariance violations in gravity using advanced superconducting-gravimeter measurements.
Findings
Enhanced sensitivity to Lorentz-violating operators
Improved constraints exceeding previous limits
First application of maximum-reach analysis in this context
Abstract
Superconducting-gravimeter measurements are used to test the local Lorentz invariance of the gravitational interaction and of matter-gravity couplings. The best laboratory sensitivities to date are achieved via a maximum-reach analysis for 13 Lorentz-violating operators, with some improvements exceeding an order of magnitude.
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