Dynamical study of the singularities of gravity in the presence of non-minimally coupled scalar fields

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dc.creatorAbramo, L. R.
dc.creatorBrenig, L.
dc.creatorGunzig, E.
dc.creatorSaa, Alberto
dc.date2003-05-02
dc.date.accessioned2026-07-07T03:27:48Z
dc.date.available2026-07-07T03:27:48Z
dc.descriptionWe investigate the dynamics of Einstein equations in the vicinity of the two recently described types of singularity of anisotropic and homogeneous cosmological models described by the action $$ S=\int d^4x \sqrt{-g}{F(ϕ)R - \partial_aϕ\partial^aϕ-2V(ϕ)}, $$ with general $F(ϕ)$ and $V(ϕ)$. The dynamical nature of each singularity is elucidated, and we show that both are, in general, dynamically unavoidable, reinforcing the unstable character of previous isotropic and homogeneous cosmological results obtained for the conformal coupling case.
dc.description11 pages
dc.identifierhttps://arxiv.org/abs/gr-qc/0305008
dc.identifierhttp://arxiv.org/abs/gr-qc/0305008
dc.identifierInt.J.Theor.Phys. 42 (2003) 1145-1152
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/34579
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleDynamical study of the singularities of gravity in the presence of non-minimally coupled scalar fields
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