A Field Theory Model for Dark Matter and Dark Energy in Interaction

TL;DR

This paper introduces a field theory model that describes the interaction between dark matter and dark energy, explaining observational data and addressing the coincidence problem.

Contribution

It presents a novel field theory framework for dark sector interaction, supported by observational comparisons and potential solutions to the coincidence problem.

Findings

Evidence of energy decay from dark energy to dark matter

Interaction alleviates the coincidence problem

Model consistent with CMB, BAO, and supernova observations

Abstract

We propose a field theory model for dark energy and dark matter in interaction. Comparing the classical solutions of the field equations with the observations of the CMB shift parameter, BAO, lookback time and Gold supernovae sample, we observe a possible interaction between dark sectors with energy decay from dark energy into dark matter. The observed interaction provides an alleviation to the coincidence problem.