An alternative approach to the galactic dark matter problem
General Relativity and Quantum Cosmology
2010-11-19 v2 Astrophysics
Abstract
We discuss scenarios in which the galactic dark matter in spiral galaxies is described by a long range coherent field which settles in a stationary configuration that might account for the features of the galactic rotation curves. The simplest possibility is to consider scalar fields, so we discuss in particular, two mechanisms that would account for the settlement of the scalar field in a non-trivial configuration in the absence of a direct coupling of the field with ordinary matter: topological defects, and spontaneous scalarization.
Cite
@article{arxiv.gr-qc/0011049,
title = {An alternative approach to the galactic dark matter problem},
author = {Ulises Nucamendi and Marcelo Salgado and Daniel Sudarsky},
journal= {arXiv preprint arXiv:gr-qc/0011049},
year = {2010}
}
Comments
36 pages, 12 figures, Revtex, a brief discussion added, accepted for publication in PRD