Cosmology with a dynamically screened scalar interaction in the dark sector
- 6 December 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 70 (12) , 123511
- https://doi.org/10.1103/physrevd.70.123511
Abstract
Motivated in part by string theory, we consider a modification of the cosmological model in which the dark matter has a long-range scalar force screened by light particles. Scalar forces can have interesting effects on structure formation: the main example presented here is the expulsion of dark matter halos from low density regions, or voids, in the galaxy distribution.
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