The Cosmological Constant in Calabi-Yau 3-fold Compactifications of the Horava-Witten Theory

Details The Cosmological Constant in Calabi-Yau 3-fold Compactifications of the Horava-Witten Theory The Cosmological Constant in Calabi-Yau 3-fold Compactifications of the Horava-Witten Theory

2000-07-27

arxiv.org/abs/hep-th/0007223v1

Phys.Lett. B492 (2000) 171-177

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

10.1016/S0370-2693(00)01068-6

Brane world scenarios offer a way of setting the cosmological constant to zero after supersymmetry breaking provided there is a sufficient number of adjustable integration constants/parameters. In the case of the Horava-Witten theory compactified on a Calabi-Yau threefold, we argue that it is difficult to find enough freedom to get a zero (or small) cosmological constant after supersymmetry breaking.

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