Confronting Finsler space-time with experiment

Details Confronting Finsler space-time with experiment Confronting Finsler space-time with experiment

2008-11-03

arxiv.org/abs/0811.0282v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

To be published in General Relativity and Gravitation

Scientific paper

10.1007/s10714-008-0710-9

Within all approaches to quantum gravity small violations of the Einstein Equivalence Principle are expected. This includes violations of Lorentz invariance. While usually violations of Lorentz invariance are introduced through the coupling to additional tensor fields, here a Finslerian approach is employed where violations of Lorentz invariance are incorporated as an integral part of the space-time metrics. Within such a Finslerian framework a modified dispersion relation is derived which is confronted with current high precision experiments. As a result, Finsler type deviations from the Minkowskian metric are excluded with an accuracy of 10^{-16}.

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