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  Refining the boundaries of the classical de Sitter landscape

Andriot, D., & Blåbäck, J. (2017). Refining the boundaries of the classical de Sitter landscape. Journal of high energy physics: JHEP, 2017(03): 102. doi:10.1007/JHEP03(2017)102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-614A-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-306C-7
Genre: Journal Article

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1609.00385.pdf (Preprint), 342KB
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 Creators:
Andriot, David1, Author              
Blåbäck, Johan, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO,General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Phenomenology, hep-ph
 Abstract: We derive highly constraining no-go theorems for classical de Sitter backgrounds of string theory, with parallel sources; this should impact the embedding of cosmological models. We study ten-dimensional vacua of type II supergravities with parallel and backreacted orientifold Op-planes and Dp-branes, on four-dimensional de Sitter space-time times a compact manifold. Vacua for p=3, 7 or 8 are completely excluded, and we obtain tight constraints for p=4, 5, 6. This is achieved through the derivation of an enlightening expression for the four-dimensional Ricci scalar. Further interesting expressions and no-go theorems are obtained. The paper is self-contained so technical aspects, including conventions, might be of more general interest.

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 Dates: 2016-09-0120162017
 Publication Status: Published in print
 Pages: 15 pages + appendices and references
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1609.00385
URI: http://arxiv.org/abs/1609.00385
DOI: 10.1007/JHEP03(2017)102
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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2017 (03) Sequence Number: 102 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002