Vanishing of the Cosmological Constant in Stabilized Quantum Gravity

Details Vanishing of the Cosmological Constant in Stabilized Quantum Gravity Vanishing of the Cosmological Constant in Stabilized Quantum Gravity

1992-07-09

arxiv.org/abs/hep-th/9207028v1

Phys.Lett. B291 (1992) 405-410

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Latex, NBI-HE-92-41

Scientific paper

10.1016/0370-2693(92)91395-P

It is shown that the probability distribution $P(\lambda)$ for the effective
cosmological constant is sharply peaked at $\lambda=0$ in stochastic (or
"fifth-time") stabilized quantum gravity. The effect is similar to the
Baum-Hawking mechanism, except that it comes about due to quantum fluctuations,
rather than as a zeroth-order (in $\hbar$) semiclassical effect.

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