Cosmological constant is probably adjustable in brane worlds

Details Cosmological constant is probably adjustable in brane worlds Cosmological constant is probably adjustable in brane worlds

2009-12-15

arxiv.org/abs/0912.2733v2

Physics

High Energy Physics

High Energy Physics - Theory

6 pages with 2 figures

Scientific paper

In the brane world scenario, possessing the self-tuning property of the cosmological constant, we study the probability amplitude for an initial state of the Universe to transform to final states with some curvatures. In the Kim, Kyae and Lee model, there exists a finite range of parameters such that the transition amplitude to a near flat universe is exponentially dominated by the smallness of curvature, > e^{positive number}/{Lambda-bar}^2}, i.e. is dominated by an almost flat universe of |Lambda-bar|

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