Radial acceleration relation from symmetron fifth forces
Cosmology and Nongalactic Astrophysics
2017-05-19 v3 Astrophysics of Galaxies
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We show that the radial acceleration relation for rotationally-supported galaxies may be explained, in the absence of cold dark matter, by a non-minimally coupled scalar field, whose fifth forces are partially screened on galactic scales by the symmetron mechanism. In addition, we show that sufficient energy is stored in the symmetron field to explain the dynamic stability of galactic disks.
Cite
@article{arxiv.1610.07529,
title = {Radial acceleration relation from symmetron fifth forces},
author = {Clare Burrage and Edmund J. Copeland and Peter Millington},
journal= {arXiv preprint arXiv:1610.07529},
year = {2017}
}
Comments
6 pages, 3 figures, revtex format; discussion of disk stability corrected, incorrect direct mass bound removed, conclusions unaltered; corrections submitted as an erratum to Physical Review D