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Dynamical study of the singularities of gravity in the presence of non-minimally coupled scalar fields | | L.R. Abramo
; L. Brenig
; E. Gunzig
; Alberto Saa
; | | Date: |
2 May 2003 | | Journal: | Int.J.Theor.Phys. 42 (2003) 1145-1152 | | Subject: | gr-qc | | Abstract: | We 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 $$ S=int d^4x sqrt{-g}{F(phi)R - partial_aphipartial^aphi -2V(phi)}, $$ with general $F(phi)$ and $V(phi)$. 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. | | Source: | arXiv, gr-qc/0305008 | | Services: | Forum | Review | PDF | Favorites | |
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