Tunnelling for Large N

Details Tunnelling for Large N Tunnelling for Large N

2008-10-21

arxiv.org/abs/0810.3654v1

Physics

High Energy Physics

High Energy Physics - Theory

3 pages, 1 eps figure

Scientific paper

In this brief note, by applying the stochastic approach to multiple fields, we estimate the probability of tunneling between vacua in a landscape with $\cal N$ fields. We find that the probability can be enhanced by large $\cal N$. When $\cal N$ saturates the dS entropy of some vacuum, the corresponding vacuum will be extremely unstable and be expected to rapidly decay. We discuss the implications of this result.

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