Minisuperspace dynamics in a generalized uncertainty principle framework
General Relativity and Quantum Cosmology
2008-11-26 v2 High Energy Physics - Theory
Abstract
The minisuperspace dynamics of the Friedmann-Robertson-Walker (FRW) and of the Taub Universes in the context of a Generalized Uncertainty Principle is analyzed in detail. In particular, the motion of the wave packets is investigated and, in both the models, the classical singularity appear to be probabilistic suppressed. Moreover, the FRW wave packets approach the Planckian region in a stationary way and no evidences for a Big-Bounce, as predicted in Loop Quantum Cosmology, appear. On the other hand, the Taub wave packets provide the right behavior in predicting an isotropic Universe.
Keywords
Cite
@article{arxiv.0709.4610,
title = {Minisuperspace dynamics in a generalized uncertainty principle framework},
author = {Marco Valerio Battisti and Giovanni Montani},
journal= {arXiv preprint arXiv:0709.4610},
year = {2008}
}
Comments
8 pages, 4 figures; to appear in the proceedings of the 4th Italian-Sino Workshop on Relativistic Astrophysics, AIP Conference Series