A model for time-dependent cosmological constant and its consistency with the present Friedmann universe
M. Novello, J. Barcelos-Neto, and J.M. Salim
TL;DR
This paper proposes a model linking the cosmological constant to chiral gauge anomalies, demonstrating its consistency with the current Friedmann universe's expansion.
Contribution
It introduces a novel model connecting quantum anomalies to the cosmological constant, aligning quantum effects with cosmological observations.
Findings
The model is compatible with the Friedmann universe.
The cosmological term can be derived from gauge anomalies.
Quantum effects may influence the universe's expansion.
Abstract
We use a model where the cosmological term can be related to the chiral gauge anomaly of a possible quantum scenario of the initial evolution of the universe. We show that this term is compatible with the Friedmann behavior of the present universe.
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