Dimensionally Regulated Graviton 1-Point Function in de Sitter
General Relativity and Quantum Cosmology
2009-11-11 v2 Astrophysics
High Energy Physics - Phenomenology
Abstract
We use dimensional regularization to compute the 1PI 1-point function of quantum gravity at one loop order in a locally de Sitter background. As with other computations, the result is a finite constant at this order. It corresponds to a small positive renormalization of the cosmological constant.
Cite
@article{arxiv.gr-qc/0506056,
title = {Dimensionally Regulated Graviton 1-Point Function in de Sitter},
author = {N. C. Tsamis and R. P. Woodard},
journal= {arXiv preprint arXiv:gr-qc/0506056},
year = {2009}
}
Comments
25 pages, LaTeX 2epsilon, uses Axodraw for one figure, revised to add some references