Towards a covariant model for cosmic self-acceleration

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An explicitly covariant formulation is presented of a modified DGP scenario proposed recently [1], to avoid the instability of the self-accelerating branch. It is based on the introduction of a bulk scalar field with appropriate non-minimal coupling to the bulk Einstein-Hilbert term. The method is general and may be applied to other models as well.
10 pages, no figures; v2: version published in JHEP

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High Energy Physics - Theory, Astrophysics, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/186388

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0706.3393
 http://arxiv.org/abs/0706.3393
 JHEP0710:012,2007
 doi:10.1088/1126-6708/2007/10/012

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arXiv