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Dynamical system analysis for a nonminimal torsion-matter coupled gravity

  • University of Lisbon
  • Universidade Federal de Juiz de Fora
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Baylor University
  • Pontificia Universidad Católica de Valparaíso

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

In this work, we perform a detailed dynamical analysis for the cosmological applications of a nonminimal torsion-matter coupled gravity. Two alternative formalisms are proposed, which enable one to choose between the easier approach for a given problem, and furthermore, we analyze six specific models. In general, we extract fixed points corresponding either to dark-matter-dominated, scaling decelerated solutions, or to dark-energy-dominated accelerated solutions. Additionally, we find that there is a small parameter region in which the model can experience the transition from the matter epoch to the dark-energy era. These features are in agreement with the observed evolution of the Universe, and make the theory a successful candidate for the description of nature.

Original languageEnglish
Article number024034
JournalPhysical Review D
Volume93
Issue number2
DOIs
StatePublished - 19 Jan 2016
Externally publishedYes

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