Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-04-15
SpringerProc.Phys.98:83-98,2005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
16 pages, Expanded version of a lecture by T. Jacobson, to be published in Particle Physics and the Universe, Proceedings of t
Scientific paper
If quantum gravity violates Lorentz symmetry, the prospects for observational guidance in understanding quantum gravity improve considerably. This article briefly reviews previous work on Lorentz violation (LV) and discusses aspects of the effective field theory framework for parametrizing LV effects. Current observational constraints on LV are then summarized, focusing on effects in QED at order E/M_Planck.
Jacobson Ted
Liberati Stefano
Mattingly David
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