A time--dependent Cosmological Constant

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dc.creatorCapozziello, Salvatore
dc.creatorde Ritis, Ruggiero
dc.date1996-05-14
dc.date1996-06-17
dc.date.accessioned2026-07-07T09:01:57Z
dc.date.available2026-07-07T09:01:57Z
dc.descriptionWe extend the Wald cosmic no-hair theorem to a general class of scalar-tensor nonminimally coupled theories of gravity where ordinary matter is also present in the form of a perfect fluid. We give a set of conditions for obtaining a de Sitter expansion independently of any initial conditions, generalizing the treatment of such a problem as given by Wald. Finally we apply the results to some specific models.
dc.description13 pages, Latex, submitted to Phys. Lett. A
dc.identifierhttps://arxiv.org/abs/astro-ph/9605070
dc.identifierhttp://arxiv.org/abs/astro-ph/9605070
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/148462
dc.subjectAstrophysics
dc.titleA time--dependent Cosmological Constant
dc.typetext

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