Inflaton in anisotropic higher derivative gravity

Details Inflaton in anisotropic higher derivative gravity Inflaton in anisotropic higher derivative gravity

2006-12-23

arxiv.org/abs/hep-th/0612257v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

Existence and stability analysis of the Kantowski-Sachs type inflationary universe in a higher derivative scalar-tensor gravity theory is studied in details. Isotropic de Sitter background solution is shown to be stable against any anisotropic perturbation during the inflationary era. Stability of the de Sitter space in the post inflationary era can also be realized with proper choice of coupling constants.

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