16 research outputs found
The nature of singularity in multidimensional anisotropic Gauss-Bonnet cosmology with a perfect fluid
We investigate dynamics of (4+1) and (5+1) dimensional flat anisotropic
Universe filled by a perfect fluid in the Gauss-Bonnet gravity. An analytical
solutions valid for particular values of the equation of state parameter
have been found. For other values of structure of cosmological
singularity have been studied numerically. We found that for the
singularity is isotropic. Several important differences between (4+1) and (5+1)
dimensional cases are discussed.Comment: 8 pages, 2 fig