Resolution of Curvature Singularities in Higher Derivative Gravity

Details Resolution of Curvature Singularities in Higher Derivative Gravity Resolution of Curvature Singularities in Higher Derivative Gravity

2008-03-14

arxiv.org/abs/0803.2170v2

Phys.Rev.D78:024036,2008

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 4 EPS figures; typos corrected, references added; to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.78.024036

We consider possible resolutions of singularities in a contracting
anisotropic universe for a class of higher derivative gravity theories. We give
evidence that for our models the big crunch singularity may be replaced by a
nearly flat Minkowski-like phase before the Universe reenters an anisotropic
expansion in a time-symmetric manner.

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