Some FRW models with variable G and cosmological constant

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We consider several model with metric type FRW, with k=0 and with generic equation of state. We take into account too, the conservation principle for the energy-momentum tensor. We find trivially, a set of solutions through dimensional analysis. We emphasite that the solution for G depend on the equation of state and for the cosmological constant no.
7 pages. submitted to General Relativity and Gravitation

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General Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/87634

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/9811017
 http://arxiv.org/abs/physics/9811017

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arXiv