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arxiv: gr-qc/0102093 · v1 · submitted 2001-02-21 · 🌀 gr-qc

Astrophysical limits on quantum gravity motivated birefringence

Reinaldo J. Gleiser , Carlos N. Kozameh (FaMAF , Universidad Nacional de Cordoba Ciudad Universitaria , Argentina) This is my paper
classification 🌀 gr-qc
keywords birefringencegravityquantumanalyzingastrophysicalboundsclassdistant
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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 $\chi < 10^{-3}$.

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