Quantizing speeds with the cosmological constant
General Relativity and Quantum Cosmology
2009-11-10 v2 High Energy Physics - Theory
Abstract
Considering the Barrett-Crane spin foam model for quantum gravity with (positive) cosmological constant, we show that speeds must be quantized and we investigate the physical implications of this effect such as the emergence of an effective deformed Poincare symmetry.
Cite
@article{arxiv.gr-qc/0311032,
title = {Quantizing speeds with the cosmological constant},
author = {Florian Girelli and Etera R. Livine},
journal= {arXiv preprint arXiv:gr-qc/0311032},
year = {2009}
}
Comments
4 pages, revtex4, 3 figures