Stability analysis for cosmological models in f(T, B) gravity

In this paper we study cosmological solutions of the f ( T ,  B ) gravity using dynamical system analyses. For this purpose, we consider cosmological viable functions of f ( T ,  B ) that are capable of reproducing the dynamics of the Universe. We present three specific models of f ( T ,  B ) gravit...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2020-07, Vol.80 (7), p.1-12, Article 677
Main Authors: Franco, Geovanny A. Rave, Escamilla-Rivera, Celia, Levi Said, Jackson
Format: Article
Language:English
Subjects:
Astronomical models
Astronomy
Astrophysics and Cosmology
Cosmology
Critical point
Elementary Particles
Equations of motion
Gravitation
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Regular Article - Theoretical Physics
Stability analysis
String Theory
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Summary:In this paper we study cosmological solutions of the f ( T ,  B ) gravity using dynamical system analyses. For this purpose, we consider cosmological viable functions of f ( T ,  B ) that are capable of reproducing the dynamics of the Universe. We present three specific models of f ( T ,  B ) gravity which have a general form of their respective solutions by writing the equations of motion as an autonomous system. Finally, we study its hyperbolic critical points and general trajectories in the phase space of the resulting dynamical variables which turn out to be compatible with the current late-time observations.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-020-8253-7