Exact Solutions in Five-Dimensional Axi-dilaton Gravity with Euler-Poincare Term

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dc.creatorAliev, A. N.
dc.creatorCebeci, H.
dc.creatorDereli, T.
dc.date2007-03-02
dc.date2007-06-07
dc.date.accessioned2026-07-07T11:21:49Z
dc.date.available2026-07-07T11:21:49Z
dc.descriptionWe examine the effective field equations that are obtained from the axi-dilaton gravity action with a second order Euler-Poincare term and a cosmological constant in all higher dimensions. We solve these equations for five-dimensional spacetimes possessing homogeneity and isotropy in their three-dimensional subspaces. For a number of interesting special cases we show that the solutions fall into two main classes: The first class consists of time-dependent solutions with spherical or hyperboloidal symmetry which require certain fine-tuning relations between the coupling constants of the model and the cosmological constant. Solutions in the second class are locally static and prove the validity of Birkhoff's staticity theorem in the axi-dilaton gravity. We also give a special class of static solutions, among them the well-known black hole solutions in which the usual electric charge is superseded by an axion charge.
dc.descriptionNew formulas and references added
dc.identifierhttps://arxiv.org/abs/gr-qc/0703011
dc.identifierhttp://arxiv.org/abs/gr-qc/0703011
dc.identifierClass.Quant.Grav.24:3425-3436,2007
dc.identifierdoi:10.1088/0264-9381/24/13/017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194375
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleExact Solutions in Five-Dimensional Axi-dilaton Gravity with Euler-Poincare Term
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