Quantum Cosmology in Four Dimensions
Teresa Bautista, Andr\'e Benevides, Atish Dabholkar, Akash Goel
TL;DR
This paper investigates quantum cosmology by analyzing solutions to a nonlocal quantum gravity action, revealing that vacuum energy decays slowly due to anomalous gravitational effects.
Contribution
It introduces an analysis of cosmological solutions within a nonlocal quantum gravity framework, highlighting vacuum energy decay mechanisms.
Findings
Vacuum energy decays slowly over cosmological timescales.
Decay rate is proportional to the anomalous gravitational dressings.
Provides insights into quantum effects in cosmological evolution.
Abstract
We analyze the cosmological solutions to the recently proposed nonlocal quantum effective action for gravity with a cosmological term. We show that the vacuum energy decays with a slow-roll parameter proportional to the anomalous gravitational dressings.
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