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  On AdS to dS transitions in higher-curvature gravity

Camanho, X. O., Edelstein, J. D., Gomberoff, A., & Sierra-Garcia, J. A. (2015). On AdS to dS transitions in higher-curvature gravity. Journal of high energy physics: JHEP, 2015(10): 179. doi:10.1007/JHEP10(2015)179.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-BBDD-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-7D1F-E
Genre: Journal Article

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1504.04496.pdf (Preprint), 402KB
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 Creators:
Camanho, Xian O.1, Author              
Edelstein, Jose D., Author
Gomberoff, Andres, Author
Sierra-Garcia, J. Anibal, 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,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We study the possible existence of gravitational phase transitions from AdS to dS geometries in the context of higher-curvature gravities. We use Lanczos-Gauss-Bonnet (LGB) theory with a positive cosmological constant as a toy model. This theory has two maximally symmetric vacua with positive (dS) and negative (AdS) constant curvature. We show that a phase transition from the AdS vacuum to a dS black hole geometry takes place when the temperature reaches a critical value. The transition is produced by nucleation of bubbles of the new phase that expand afterwards. We claim that this phenomenon is not particular to the model under study, and shall also be part of generic gravitational theories with higher-curvature terms.

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 Dates: 2015-04-172015
 Publication Status: Published in print
 Pages: 11 pages, 3 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1504.04496
URI: http://arxiv.org/abs/1504.04496
DOI: 10.1007/JHEP10(2015)179
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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: 2015 (10) Sequence Number: 179 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002