Present accelerated expansion of the universe from new Weyl-Integrable gravity approach

TL;DR

This paper explores a novel Weyl-Integrable gravity framework that can naturally produce an accelerated expansion of the universe, aligning with current cosmological observations.

Contribution

It introduces a new formulation of gravity on Weyl-Integrable geometry and demonstrates its capability to model the universe's accelerated expansion.

Findings

The model reproduces current cosmic acceleration.

Conditions for acceleration are derived within the Weyl-Integrable framework.

The specific solution aligns with Planck, WP, BAO, and SN data.

Abstract

We investigate if a recently introduced formulation of general relativity on a Weyl-integrable geometry, contains cosmological solutions exhibiting acceleration in the present cosmic expansion. We derive the general conditions to have acceleration in the expansion of the universe and obtain a particular solution for the Weyl scalar field describing a cosmological model for the present time in concordance with the data combination Planck + WP + BAO + SN.