4.7 Article

Stability of the Einstein static universe in modified Gauss-Bonnet gravity

Journal

PHYSICAL REVIEW D
Volume 79, Issue 6, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.79.067504

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Funding

  1. STFC [ST/G002088/1] Funding Source: UKRI
  2. Science and Technology Facilities Council [ST/G002088/1] Funding Source: researchfish

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We analyze the stability of the Einstein static universe by considering linear homogeneous perturbations in the context of f(G) modified Gauss-Bonnet theories of gravity. By considering a generic form of f(G), the stability region of the Einstein static universe is parametrized by the linear equation of state parameter w=p/rho and the second derivative f('')(G) of the Gauss-Bonnet term.

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