The Running Gravitational Couplings
High Energy Physics - Theory
2009-10-30 v3 General Relativity and Quantum Cosmology
Abstract
We compute the running of the cosmological constant and Newton's constant taking into account the effect of quantum fields with any spin between 0 and 2. We find that Newton's constant does not vary appreciably but the cosmological constant can change by many orders of magnitude when one goes from cosmological scales to typical elementary particle scales. In the extreme infrared, zero modes drive the cosmological constant to zero.
Cite
@article{arxiv.hep-th/9707239,
title = {The Running Gravitational Couplings},
author = {Djamel Dou and Roberto Percacci},
journal= {arXiv preprint arXiv:hep-th/9707239},
year = {2009}
}
Comments
19 pages, TeX file, revised and expanded, some misprints corrected