Ripped {\Lambda}CDM: an observational contender to the consensus cosmological model
Cosmology and Nongalactic Astrophysics
2024-03-22 v3 General Relativity and Quantum Cosmology
Abstract
Current observations do not rule out the possibility that the Universe might end up in an abrupt event. Different such scenarios may be explored through suitable parameterizations of the dark energy and then confronted to cosmological background data. Here we parameterize a pseudorip scenario using a particular sigmoid function and carry an in-depth multifaceted examination of its evolutionary features and statistical performance. This depiction of a non violent final fate of our cosmos seems to be arguably statistically favoured over the consensus {\Lambda}CDM model according to some Bayesian discriminators.
Keywords
Cite
@article{arxiv.2311.10526,
title = {Ripped {\Lambda}CDM: an observational contender to the consensus cosmological model},
author = {R. Lazkoz and V. Salzano and L. Fernandez-Jambrina and M. Bouhmadi-López},
journal= {arXiv preprint arXiv:2311.10526},
year = {2024}
}
Comments
13 pages, 5 figures (one of them animated); references, figures and subsections added