Tachyonic Universes in Patch Cosmologies with $\Omega>1$
Sergio del Campo, Ramon Herrera, Pedro Labrana, Carlos Leiva, Joel, Saavedra
TL;DR
This paper explores closed inflationary universe models driven by tachyonic fields within various patch cosmologies, using observational data to constrain model parameters and analyze conditions for universes with density parameter greater than one.
Contribution
It provides a unified framework for modeling tachyonic inflation in different patch cosmologies and applies observational constraints to these models.
Findings
Constraints on model parameters from observational data
Conditions for closed universe formation in tachyonic models
Unified treatment across different patch cosmologies
Abstract
In this article we study closed inflationary universe models by means of a tachyonic field. We described a general treatment for created a universe with in patch cosmology, which is able to represent General Relativity, Gauss-Bonnet or Randall-Sundrum patches. We use recent data from astronomical observations to constrain the parameters appearing in our model.
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