Cosmological constant problem and long-distance modifications of Einstein theory

Details Cosmological constant problem and long-distance modifications of Einstein theory Cosmological constant problem and long-distance modifications of Einstein theory

2004-09-14

arxiv.org/abs/hep-th/0409144v1

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 10 p., talk given at QUARKS-2004, Pushkinskie Gory, Russia, May 2004

Scientific paper

We construct the covariant nonlocal action for recently suggested long-distance modifications of gravity theory motivated by the cosmological constant and cosmological acceleration problems. This construction is based on the special nonlocal form of the Einstein-Hilbert action explicitly revealing the fact that this action within the covariant curvature expansion begins with curvature-squared terms.

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