Gauge invariant metric fluctuations in the early universe from STM theory of gravity: nonperturbative formalism
Mariano Anabitarte (Mar del Plata University - CONICET), Mauricio, Bellini (Mar del Plata University - CONICET)
TL;DR
This paper introduces a nonperturbative quantum field formalism based on 5D Ricci flat vacuum to describe scalar gauge-invariant metric fluctuations in the early universe.
Contribution
It presents a novel nonperturbative approach to analyze gauge-invariant metric fluctuations within a 5D gravity framework.
Findings
Provides a new formalism for early universe metric fluctuations
Utilizes 5D Ricci flat vacuum in a nonperturbative context
Enhances understanding of gauge invariance in cosmological perturbations
Abstract
We develop a nonperturbative quantum field formalism to describe scalar gauge-invariant metric flucturations in the early universe from a 5D apparent (Ricci flat) vacuum.
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