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Comments on Lorentz and CPT Violation
Alan Kostelecky
This contribution to the CPT'13 meeting briefly introduces Lorentz and CPT violation and outlines two recent developments in the field.
Testing Relativity with High-Energy Astrophysical Neutrinos
Jorge S. Diaz, Alan Kostelecky, Matthew Mewes
The recent observation of high-energy astrophysical neutrinos can be used to constrain violations of Lorentz invariance emerging from a quantum theory of gravity. We perform thresh…
Relativity violations and beta decay
Jorge S. Diaz, Alan Kostelecky, Ralf Lehnert
In some quantum theories of gravity, deviations from the laws of relativity could be comparatively large while escaping detection to date. In the neutrino sector, precision experim…
Constraints on relativity violations from gamma-ray bursts
Alan Kostelecky, Matthew Mewes
Tiny violations of the Lorentz symmetry of relativity and the associated discrete CPT symmetry could emerge in a consistent theory of quantum gravity such as string theory. Recent…