Are Galaxies Cosmon Lumps?
Astrophysics
2010-11-19 v2 High Energy Physics - Phenomenology
Abstract
The scalar ``cosmon'' field mediating quintessence influences the dynamics of extended objects in the universe. We discuss cosmon lumps -- spherically symmetric solutions for the scalar field coupled to gravity. The two integration constants can be associated to the mass and the rotational velocity in a halo-like region with constant rotation curve. The presence of the scalar field also changes the singularity of the black hole solution. We ask if galaxies could be associated with cosmon lumps.
Cite
@article{arxiv.astro-ph/0108411,
title = {Are Galaxies Cosmon Lumps?},
author = {C. Wetterich},
journal= {arXiv preprint arXiv:astro-ph/0108411},
year = {2010}
}
Comments
new references,9 pages,LaTex