Systematic treatment of non-linear effects in Baryon Acoustic Oscillations

TL;DR

This paper presents a systematic method using time-sliced perturbation theory to accurately account for non-linear effects in baryon acoustic oscillations, improving modeling precision.

Contribution

It introduces a novel, controllable approach to handle non-linear effects in BAO analysis within the framework of time-sliced perturbation theory.

Findings

Effective modeling of non-linear BAO effects

Enhanced accuracy in BAO feature predictions

Framework applicable to future cosmological surveys

Abstract

In this contribution we will discuss the non-linear effects in the baryon acoustic oscillations and present a systematic and controllable way to account for them within time-sliced perturbation theory.