Metastable Domains of the Landscape

Abstract

We argue that the vast majority of flux vacua with small cosmological constant are unstable to rapid decay to a big crunch. Exceptions are states with large compactification volume and supersymmetric and approximately supersymmetric states. Neither weak string coupling, warping, or the existence of very light particles are, by themselves, enough to render states reasonably metastable. We speculate, as well, about states which might be cosmological attractors.

20 pages

References in corpus (9)

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• Distributions of nonsupersymmetric flux vacua
• Static Domain Walls in N=1 Supergravity
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• A New Handle on de Sitter Compactifications
• Branches of the Landscape
• Massive IIA flux compactifications and U-dualities
• R Symmetries in the Landscape

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• Tunneling from a Minkowski vacuum to an AdS vacuum: A new thin-wall regime
• Supersymmetry Breaking and the Cosmological Constant
• Low energy supersymmetry from R-symmetries
• The Fate of Nearly Supersymmetric Vacua
• Surviving in a Metastable de Sitter Space-Time
• Vacuum statistics and parameter tuning for F-term supersymmetry breaking
• Preferred hierarchy scales from the product landscape
• Symmetric Points in the Landscape as Cosmological Attractors
• The tunneling decay rate in QFT beyond the thin wall approximation