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Compactifying de Sitter Naturally Selects a Small Cosmological Constant

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Published Article
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DOI: 10.1103/PhysRevD.90.124048
arXiv ID: 1311.2586
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arXiv
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Abstract

We study compactifications of $D$-dimensional de Sitter space with a $q$-form flux down to $D-Nq$ dimensions. We show that for $(N-1)(q-1)\geq 2$ there are double-exponentially or even infinitely many compact de Sitter vacua, and that their effective cosmological constants accumulate at zero. This population explosion of $\Lambda \ll 1$ de Sitters arises by a mechanism analogous to natural selection.

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