Astrophysical limits on quantum gravity motivated birefringence
General Relativity and Quantum Cosmology
2009-11-07 v1
Abstract
We obtain observational upper bounds on a class of quantum gravity related birefringence effects, by analyzing the presence of linear polarization in the optical and ultraviolet spectrum of some distant sources. In the notation of Gambini and Pullin we find .
Keywords
Cite
@article{arxiv.gr-qc/0102093,
title = {Astrophysical limits on quantum gravity motivated birefringence},
author = {Reinaldo J. Gleiser and Carlos N. Kozameh},
journal= {arXiv preprint arXiv:gr-qc/0102093},
year = {2009}
}
Comments
4 pages, submitted to Phys. Rev. Lett