paper

Bounds on higher-order Lorentz-violating photon sector coefficients from an asymmetric optical ring resonator experiment

arXiv:1508.02490 · doi:10.1016/j.physleta.2015.08.006

Abstract

Optical resonators provide a powerful tool for testing aspects of Lorentz invariance. Here, we present a reanalysis of an experiment where a path asymmetry was created in an optical ring resonator by introducing a dielectric prism in one arm. The frequency difference of the two fundamental counter-propagating modes was then recorded as the apparatus was orientation-modulated in the laboratory. By assuming that the minimal Standard-Model Extension coefficients vanish we are able to place bounds on higher-order parity-odd Lorentz-violating coefficients of the Standard-Model Extension. The results presented in this work set the first constraints on two previously unbounded linear combinations of d=8 parity-odd nonbirefringent nondispersive coefficients of the photon sector.

6 pages, 4 figures, 3 tables, accepted for publication in Physics Letters A

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