Observers and Measurements in Noncommutative Spacetimes
High Energy Physics - Theory
2009-11-10 v3 Astrophysics
General Relativity and Quantum Cosmology
Quantum Physics
Abstract
We propose a "Copenhagen interpretation" for spacetime noncommutativity. The goal is to be able to predict results of simple experiments involving signal propagation directly from commutation relations. A model predicting an energy dependence of the speed of photons of the order E/E_Planck is discussed in detail. Such effects can be detectable by the GLAST telescope, to be launched in 2006.
Keywords
Cite
@article{arxiv.hep-th/0305187,
title = {Observers and Measurements in Noncommutative Spacetimes},
author = {Vyacheslav S. Rychkov},
journal= {arXiv preprint arXiv:hep-th/0305187},
year = {2009}
}
Comments
10 pp; v2: equivalence of observers explicitely stated; v3: minor changes, references and remarks added, burst spreading with energy emphasized as a signature rather than noise