Cosmological implications of Bumblebee theory on an FLRW background
Manuel Gonzalez-Espinoza, Grigorios Panotopoulos, Francisco Tello-Ortiz
TL;DR
This paper explores the cosmological effects of Bumblebee theory on an FLRW background, analyzing stability, fitting parameters to supernova data, and comparing results with the standard Lambda-CDM model.
Contribution
It provides a detailed dynamical system analysis of Bumblebee cosmology and fits its parameters to observational data, offering a comparison with Lambda-CDM.
Findings
Determined the best-fit parameter value from supernova data.
Analyzed stability and critical points of the model.
Compared cosmological predictions with Lambda-CDM.
Abstract
We investigate some cosmological implications at background level of the Bumblebee model. The phase-space, the critical points and their stability are analyzed in detail applying well-established dynamical system techniques. What is more, upon comparison to available supernovae data, the best fit numerical value of the unique free parameter of the model is determined. We show graphically all the cosmological quantities of interest versus red-shift, such as the deceleration parameter, dark energy equation of state parameter, etc. The statefinders and the age of the Universe are also computed. Finally, a comparison to the -CDM model is made as well.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.