paper

Optical-Cavity Limits on Higher-Order Lorentz Violation

arXiv:1310.1952 · doi:10.1103/PhysRevD.88.111101

Abstract

An optical ring cavity is used to place the first laboratory constraints on parity-odd nonrenormalizable Lorentz violation. Variations in resonant frequencies are limited to parts in . Absolute sensitivity to Lorentz-violating operators of mass dimension 6 is improved by a factor of a million over existing parity-even microwave-cavity bounds. Sensitivity to dimension-8 violations is improved by fourteen orders of magnitude.

5 pages, 2 figures

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