Consequences of moduli stabilization in the Einstein-Maxwell landscape
Resumen: 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 a* 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.
Idioma: Inglés
DOI: 10.1103/PhysRevLett.110.041602
Año: 2013
Publicado en: PHYSICAL REVIEW LETTERS 110, 4 (2013), 041602 [5 pp]
ISSN: 0031-9007

Factor impacto JCR: 7.728 (2013)
Categ. JCR: PHYSICS, MULTIDISCIPLINARY rank: 6 / 78 = 0.077 (2013) - Q1 - T1
Financiación: info:eu-repo/grantAgreement/ES/DGA/E24-2
Financiación: info:eu-repo/grantAgreement/ES/MICINN/FPA2009-09638
Tipo y forma: Article (Published version)
Área (Departamento): Astronomía y astrofísica (Departamento de Física Teórica)

Rights Reserved All rights reserved by journal editor

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