Vector dark energy and high-z massive clusters
Entity
UAM. Departamento de Física TeóricaPublisher
Oxford University Press; Royal Astronomical SocietyDate
2011-12-01Citation
10.1111/j.1365-2966.2011.19660.x
Monthly Notices of the Royal Astronomical Society 418.4 (2011): 2715-2719
ISSN
0035-8711 (print); 1365-2966 (online)DOI
10.1111/j.1365-2966.2011.19660.xFunded by
EC is supported by the MareNostrum project funded by the Spanish Ministerio de Ciencia e Innovación (MICINN) under grant no. AYA2009-13875-C03-02 and MultiDark Consolider project under grant CSD2009-00064. AK acknowledges support by the MICINN’s Ramón y Cajal programme as well as the grants AYA 2009-13875-C03-02, AYA2009-12792- C03-03, CSD2009- 00064, and CAM S2009/ESP-1496. GY acknowledges support from MICINN’s grants AYA2009- 13875-C03-02 and FPA2009- 08958. JBJ is supported by the Ministerio de Educación under the post-doctoral contract EX2009-0305 and also wishes to acknowledge support from the Norwegian Research Council under the YGGDRASIL programme 2009-2010 and the NILS mobility project grant UCM-EEA-ABEL-03-2010. We also acknowledge support from MICINN (Spain) project numbers FIS 2008-01323, FPA 2008-00592 and CAM/UCM 910309Project
Comunidad de Madrid. S2009/ESP-1496/ASTROMADRIDEditor's Version
http://dx.doi.org/10.1111/j.1365-2966.2011.19660.xSubjects
Cosmology: theory; Dark matter; Galaxies: haloes; Methods: numerical; FísicaNote
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©2011 RAS © 2011 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reservedRights
© 2011 The Authors; © 2011 RASAbstract
The detection of extremely massive clusters at z > 1 such as SPT-CLJ0546-5345, SPT-CLJ2106-5844 and XMMUJ2235.3-2557 has been considered by some authors as a challenge to the standard Λ cold dark matter cosmology. In fact, assuming Gaussian initial conditions, the theoretical expectation of detecting such objects is as low as ≤1 per cent. In this paper we discuss the probability of the existence of such objects in the light of the vector dark energy paradigm, showing by means of a series of N-body simulations that chances of detection are substantially enhanced in this non-standard framework
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Google Scholar:Carlesi, Edoardo
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Knebe, Alexander
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Yepes Alonso, Gustavo
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Gottlöber, Stefan
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Jiménez, Jose Beltrán
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Maroto, Antonio L.
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