Solar System constraints on local dark matter density
Giuseppe De Risi, Tiberiu Harko, Francisco S. N. Lobo
TL;DR
This paper investigates how local dark matter halos could influence classical tests of general relativity within the solar system, providing bounds on dark matter density and distribution.
Contribution
It introduces a formalism to quantify the effects of a dark matter halo on solar system tests and derives constraints on dark matter density profiles.
Findings
Dark matter density profile may peak at the solar system center.
Constraints on mean dark matter energy density in the solar system.
Dark matter halo size bounds derived from relativistic test modifications.
Abstract
We study how the classical tests of general relativity are modified by the presence of a subdominant dark matter halo in the solar system. We use a general formalism to calculate the corrected expression for the relevant parameters, and obtain bound plots for the mean energy density and the dimension of the dark matter halo. Our results seem to favor a density profile peaked at the center of the solar system.
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