Qualitative description of the universe in the interacting fluids scheme

Miguel Cruz, Samuel Lepe, Gerardo Morales-Navarrete

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

In this work we present a qualitative description of the evolution of a curved universe when we consider the interacting scheme for the constituents of the dark sector. The resulting dynamics can be modeled by a set of Lotka-Volterra type equations. For this model a future singularity is allowed, therefore the cyclic behavior for the energy interchange between the components of the universe is present only at some stage of the cosmic evolution. Due to the presence of the future singularity, the model exhibits global instability.

Original languageEnglish
Article number114623
JournalNuclear Physics B
Volume943
DOIs
StatePublished - Jun 2019
Externally publishedYes

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