Life on moduli space?

Details Life on moduli space? Life on moduli space?

2009-08-06

arxiv.org/abs/0908.0943v2

Phys.Rev.D80:086012,2009

Physics

High Energy Physics

High Energy Physics - Theory

Revised version to appear in PRD. Expanded section on supersymmetric bulk matter. 4 pages, revtex

Scientific paper

10.1103/PhysRevD.80.086012

While the number of metastable landscape vacua in string theory is vast, the number of supermoduli vacua which lead to distinct low energy physics is even larger, perhaps infinitely so. From the anthropic perspective it is therefore important to understand whether complex life is possible on moduli space -- i.e., in low energy effective theories with 1. exact supersymmetry and 2. some massless multiplets (moduli). Unless life is essentially impossible on moduli space as a consequence of these characteristics, anthropic reasoning in string theory suggests that the overwhelming majority of sentient beings would observe 1-2. We investigate whether 1 and 2 are by themselves automatically inimical to life and conclude, tentatively, that they are not. In particular, we describe moduli scenarios in which complex life seems possible.

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