Locally Localized Gravity and Geometric Transitions

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In this paper we analyze the local localization of gravity in $AdS_4$ thick brane embedded in $AdS_5$ space. The 3-brane is modelled by domain wall solution of a theory with a bulk scalar field coupled to five-dimensional gravity. In addition to small four-dimensional cosmological constant, the vacuum expectation value (vev) of the scalar field controls the emergence of a localized four-dimensional quasi-zero mode. We introduce high temperature effects, and we show that gravity localization on a thick 3-brane is favored below a critical temperature $T_c$. These investigations suggest the appearance of another critical temperature $T_*,$ where the thick 3-brane engenders the geometric $AdS/M/dS$ transitions.
Latex, 16 pages, 8 eps figures, 1 table

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High Energy Physics - Theory, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/184531

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0411088
 http://arxiv.org/abs/hep-th/0411088
 JHEP0411:070,2004
 doi:10.1088/1126-6708/2004/11/070

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arXiv