Vanishing Cosmological Constant in Modified Gauss-Bonnet Gravity with Conformal Anomaly

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dc.creatorBrevik, Iver
dc.creatorHurtado, John Quiroga
dc.date2006-10-10
dc.date.accessioned2026-07-07T10:41:04Z
dc.date.available2026-07-07T10:41:04Z
dc.descriptionWe consider dark energy cosmology in a de Sitter universe filled with quantum conformal matter. Our model represents a Gauss-Bonnet model of gravity with contributions from quantum effects. To the General Relativity action an arbitrary function of the GB invariant, f(G), is added, and taking into account quantum effects from matter the cosmological constant is studied. For the considered model the conditions for a vanishing cosmological constant are considered. Creation of a de Sitter universe by quantum effects in a GB modified gravity is discussed.
dc.description8 pages latex, 1 figure. To appear in Int. J. Mod. Phys. D
dc.identifierhttps://arxiv.org/abs/gr-qc/0610044
dc.identifierhttp://arxiv.org/abs/gr-qc/0610044
dc.identifierInt.J.Mod.Phys.D16:817-826,2007
dc.identifierdoi:10.1142/S0218271807010419
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/181518
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleVanishing Cosmological Constant in Modified Gauss-Bonnet Gravity with Conformal Anomaly
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