Open Inflation, the Four Form and the Cosmological Constant

Details Open Inflation, the Four Form and the Cosmological Constant Open Inflation, the Four Form and the Cosmological Constant

1998-03-19

arxiv.org/abs/hep-th/9803156v4

Phys.Lett. B432 (1998) 271-278

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, RevTex file. Replaced version contains major corrections, including a crucial new surface term, and important additi

Scientific paper

10.1016/S0370-2693(98)00651-0

Fundamental theories of quantum gravity such as supergravity include a four form field strength which contributes to the cosmological constant. The inclusion of such a field into our theory of open inflation (hep-th/9802030) allows an anthropic solution to the cosmological constant problem in which the cosmological constant gives a small but non-negligible contribution to the density of today's universe. We include a discussion of the role of the singularity in our solution and a reply to Vilenkin's recent criticism (hep-th/9803084).

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