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A fluid/gravity prescription of the post-Newtonian parameter

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Autor(es):
da Rocha, Roldao ; IOP
Número total de Autores: 2
Tipo de documento: Artigo Científico
Fonte: WAKE CONFERENCE 2021; v. 880, p. 7-pg., 2017-01-01.
Resumo

The KSS bound for the shear viscosity-to-entropy density ratio is employed in the fluid/gravity correspondence setup, to provide a theoretical bound for the post-Newtonian parameter in the Casadio-Fabbri-Mazzacurati black string solution that matches the observational bound [1]. This derived bound is here shown to vary according to the black string temperature, and, although the post-Newtonian parameter reaches bigger values as the temperature increases for fixed black string masses, it is still into the observational/experimental bound range. The Casadio-Fabbri-Mazzacurati-AdS black brane is shown to converge to the Schwarzschild-AdS black brane, for sufficiently high order expansion of the dual boundary energy-momentum tensor. (AU)

Processo FAPESP: 15/10270-0 - Correspondência fluido / gravidade e aplicações
Beneficiário:Roldão da Rocha
Modalidade de apoio: Auxílio à Pesquisa - Regular