Stability in and of de Sitter space

Details Stability in and of de Sitter space Stability in and of de Sitter space

2009-11-17

arxiv.org/abs/0911.3142v2

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 5 figures Added discussion of density of states. Submitted to PRL

Scientific paper

We demonstrate that possession of a single negative mode is not a sufficient criterion for an instanton to mediate exponential decay. For example, de Sitter space is generically stable against decay via the Coleman-De Luccia instanton. This is due to the fact that the de Sitter Euclidean action is bounded below, allowing for an approximately de Sitter invariant false vacuum to be constructed.

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