Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-01-05
Phys.Rev.D68:116006,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages revtex
Scientific paper
10.1103/PhysRevD.68.116006
A hypothetical violation of Lorentz invariance in the electrons' equation of motion (expressed within the Lorentz-violating extension of the standard model) leads to a change of the geometry of crystals and thus shifts the resonance frequency of an electromagnetic cavity. This allows experimental tests of Lorentz invariance of the electron sector of the standard model. The material dependence of the effect allows to separate it from an additional shift caused by Lorentz violation in electrodynamics, and to place independent limits on both effects. From present experiments, upper limits on Lorentz violation in the electrons' kinetic energy term are deduced.
Herrmann Sven
Laemmerzahl Claus
Mueller Holger
Peters Achim
Saenz Alejandro
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