Ekpyrotic universes in $F(R)$ Hořava-Lifshitz gravity

Abstract

The Ekpyrotic scenario is studied in the context of some extensions of Hořava-Lifshitz gravity. Some particular solutions that lead to cyclic Hubble parameters are analyzed, where the corresponding gravitational actions are reconstructed by using several techniques and auxiliary fields. Its comparison with standard $F(R)$ gravity is performed. In addition, the so-called Little Rip, a stage of the universe evolution when some bounded systems may be dissolute, is also studied in this frame of theories.

12 pages. Version to be published in PRD

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Cited by in corpus (13)

• Black holes, cosmological solutions, future singularities, and their thermodynamical properties in modified gravity theories
• FRW Cosmology in F(R,T) gravity
• Bouncing cosmology in modified Gauss-Bonnet gravity
• Anisotropic Universe Models in f(T) Gravity
• Gödel-type universes and chronology protection in Horava-Lifshitz gravity
• Cosmological evolution, future singularities, Little Rip and Pseudo-Rip in viable f(R) theories and their scalar-tensor counterpart
• Cosmological evolution of equation of state for dark energy in G-essence models
• Two-dimensional Lifshitz-like AdS black holes in $F(R)$ gravity
• Reconstruction of the equation of state for the cyclic universes in homogeneous and isotropic cosmology
• Thermal stability of a special class of black hole solutions in F(R) gravity
• Power Law and Logarithmic Ricci Dark Energy Models in Horava-Lifshitz Cosmology
• Thermodynamics in Little Rip cosmology in the framework of a type of f(R,T) gravity
• Hořava-Lifshitz $F(\bar{R})$ theories and the Swampland