Abstract
We investigate dynamics of (4 + 1) and (5 + 1) dimensional flat anisotropic Universe filled with a perfect fluid in the Gauss–Bonnet gravity. An analytical solutions valid for particular values of the equation of state parameter w = 1/3 have been found. For other values of w structure of cosmological singularity have been studied numerically. We found that for w > 1/3 the singularity is isotropic. Several important differences between (4 + 1) and (5 + 1) dimensional cases are discussed.
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Kirnos, I.V., Makarenko, A.N., Pavluchenko, S.A. et al. The nature of singularity in multidimensional anisotropic Gauss–Bonnet cosmology with a perfect fluid. Gen Relativ Gravit 42, 2633–2641 (2010). https://doi.org/10.1007/s10714-010-1004-6
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DOI: https://doi.org/10.1007/s10714-010-1004-6