Can Brans-Dicke scalar field account for dark energy and dark matter?

TL;DR

This paper investigates whether the Brans-Dicke scalar field can explain dark energy and dark matter, finding it can account for dark energy but not dark matter in the current universe.

Contribution

It provides a linearized non-vacuum solution in Brans-Dicke cosmology that explains dark energy but not dark matter.

Findings

Accounts for 75% dark energy contribution

Fails to explain 23% dark matter contribution

Uses linearized non-vacuum late time solution

Abstract

By using a linearized non-vacuum late time solution in Brans-Dicke cosmology we account for the seventy five percent dark energy contribution but not for approximately twenty-three percent dark matter contribution to the present day energy density of the universe.