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2012

Consequences of moduli stabilization in the Einstein-Maxwell landscape

Asensio, Cesar, Segui, Antonio

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A toy landscape sector is introduced as a compactification of the Einstein-Maxwell model on a product of two-spheres.

Features of the model include: moduli stabilization, a distribution of the effective cosmological constant of the dimensionally reduced 1+1 spacetime, which is different from the analogous distribution of the Bousso-Polchinski landscape, and the absence of the so-called "alpha-star"-problem.
This problem arises when the Kachru-Kallosh-Linde-Trivedi stabilization mechanism is naively applied to the states of the Bousso-Polchinski landscape.
The model also contains anthropic states, which can be readily constructed without needing any fine-tuning.

Consequences of moduli stabilization in the Einstein-Maxwell landscape · Around

Built on

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The effective action for the multi-radion field is a 1+1 theory with a Lagrangian where the radions are coupled by dilatonic factors, so that one cannot establish the stability of the ξ i = 0 \xi_{i}=0 solution by simply looking for minima of an explicit multi-radion potential
Cited in the paper.

Then

R. Bousso and I.-S. Yang, Phys.Rev. D75
2007
Later among the works it cites.
F. Denef, , 483 (2008), arXiv:0803.1194 [hep-th]
Original
2008
Later among the works it cites.
C. Asensio and A. Segui, Phys.Rev. D80
Original
2009
Later among the works it cites.
C. Asensio and A. Segui, Phys.Rev. D82
Original
2010
Later among the works it cites.
C. Asensio and A. Segui, (2012), arXiv:1207.4662 [hep-th]
Original
2012
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