Testing Lorentz invariance by use of vacuum and matter filled cavity resonators

Details Testing Lorentz invariance by use of vacuum and matter filled cavity resonators Testing Lorentz invariance by use of vacuum and matter filled cavity resonators

2004-12-26

arxiv.org/abs/hep-ph/0412385v1

Phys.Rev. D71 (2005) 045004

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 8 tables

Scientific paper

10.1103/PhysRevD.71.045004

We consider tests of Lorentz invariance for the photon and fermion sector that use vacuum and matter-filled cavities. Assumptions on the wave-function of the electrons in crystals are eliminated from the underlying theory and accurate sensitivity coefficients (including some exceptionally large ones) are calculated for various materials. We derive the Lorentz-violating shift in the index of refraction n, which leads to additional sensitivity for matter-filled cavities ; and to birefringence in initially isotropic media. Using published experimental data, we obtain improved bounds on Lorentz violation for photons and electrons at levels of 10^-15 and below. We discuss implications for future experiments and propose a new Michelson-Morley type experiment based on birefringence in matter.

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