Hubble operator in isotropic loop quantum cosmology
广义相对论与量子宇宙学
2009-11-10 v2 高能物理 - 理论
摘要
We present a construction of the Hubble operator for the spatially flat isotropic loop quantum cosmology. This operator is a Dirac observable on a subspace of the space of physical solutions. This subspace gets selected dynamically, requiring that its action be invariant on the physical solution space. As a simple illustrative application of the expectation value of the operator, we do find a generic phase of (super)inflation, a feature shown by Bojowald from the analysis of effective Friedmann equation of loop quantum cosmology.
引用
@article{arxiv.gr-qc/0308014,
title = {Hubble operator in isotropic loop quantum cosmology},
author = {Golam Mortuza Hossain},
journal= {arXiv preprint arXiv:gr-qc/0308014},
year = {2009}
}
备注
20 pages, 3 eps figures, few comments and clarifications added to match with the published version