Dark energy and large-scales solitonic back-reaction behavior in power-law inflation

TL;DR

This paper investigates how large-scale back-reaction effects during power-law inflation could explain the universe's large-scale homogeneity, isotropy, and the emergence of dark energy, through solitonic behaviors of cosmological modes.

Contribution

It introduces a novel analysis of large-scale mode behavior during inflation, linking back-reaction effects to dark energy and cosmic uniformity.

Findings

Large-scale modes evolve in phase, maintaining coherence.

A tear between large-scale and astrophysical modes suggests different evolution.

The results imply a potential origin for dark energy and universe's large-scale structure.

Abstract

We study the behavior of large-scale (cosmological) modes of back-reaction effects during inflation. We find that the group of modes which describes the very large-scale fluctuations of energy density during inflation due to back-reaction effects evolve in phase between them, but there is a tear of these modes with respect to the other modes that describe astrophysical scales. This effect could be the origin for the large-scale homogeneity and isotropy of the universe and could be a manifestation of the existence of dark energy, which is responsible for the accelerated expansion of the universe.