Gravitation and Cosmology

, Volume 18, Issue 1, pp 43–53 | Cite as

Cosmological dynamics of fourth-order gravity with a Gauss-Bonnet term

  • M. M. Ivanov
  • A. V. Toporensky
Article

Abstract

We consider the cosmological dynamics of fourth-order gravity with both f(R) and Φ(G) corrections to the Einstein gravity (G is the Gauss-Bonnet invariant). The particular case for which both terms are equally important on power-law solutions is described. These solutions and their stability are studied using the dynamic system approach. We also discuss the condition of existence and stability of a de Sitter solution in a more general situation of power-law f and Φ.

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • M. M. Ivanov
    • 1
    • 2
  • A. V. Toporensky
    • 2
  1. 1.Physical FacultyMoscow State UniversityMoscowRussia
  2. 2.Sternberg Astronomical InstituteMoscow State UniversityMoscowRussia

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