MG15 - Talk detail |
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Participant |
Muller, Daniel | |||||||
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Institution |
Universidade de Brasília - Asa Norte - Brasília - DF - Brazil | |||||||
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Session |
EU3 |
Accepted |
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Order |
Time |
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Talk |
Oral abstract |
Title |
On Stability of the Kasner Solution in Quadratic Gravity | |||||
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Abstract |
We consider dynamics of a flat anisotropic Universe filled by a perfect fluid near a cosmological singularity in quadratic gravity. Two possible regimes are described – the Kasner anisotropic solution and an isotropic “vacuum radiation” solution which has three sub cases depending on whether the equation of state parameter w is bigger, smaller or equals to 1/3. Initial conditions for numerical integrations have been chosen near General Relativity anisotropic solution with matter (Jacobs solution). We have found that for such initial conditions there is a range of values of coupling constants so that the resulting cosmological singularity is isotropic. |
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