Universe Decay, Inflation and the Large Eigenvalue of the Cosmological Constant Seesaw

Details Universe Decay, Inflation and the Large Eigenvalue of the Cosmological Constant Seesaw Universe Decay, Inflation and the Large Eigenvalue of the Cosmological Constant Seesaw

2007-02-22

arxiv.org/abs/hep-th/0702182v1

Physics

High Energy Physics

High Energy Physics - Theory

27 pages

Scientific paper

We discuss implications of the large eigenvalue of the cosmological constant seesaw mechanism extending hep-th/0602112 and hep-th/0604108. While the previous papers focused on the small eigenvalue as a cosmological constant associated with the accelerating Universe, here we draw attention to the physical implications of the large eigenvalue. In particular we find that the large eigenvalue can give rise to a period of inflation terminated by Universe decay. The mechanism involves quantum tunneling and mixing and introduces parameters $\Gamma$, the decay constant, and $\theta$, the mixing angle. We discuss the cosmological constant seesaw mechanism in the context of various models of current interest including chain inflation, inflatonless inflation, string theory, Universe entanglement and different approaches to the hierarchy problem.

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