Codimension-two critical behavior in vacuum gravitational collapse |
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Authors: | Bizoń Piotr Chmaj Tadeusz Schmidt Bernd G |
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Institution: | M. Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland. |
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Abstract: | We consider the critical behavior at the threshold of black-hole formation for the five-dimensional vacuum Einstein equations satisfying the cohomogeneity-two triaxial Bianchi type-IX ansatz. Exploiting a discrete symmetry present in this model we predict the existence of a codimension-two attractor. This prediction is confirmed numerically and the codimension-two attractor is identified as a discretely self-similar solution with two unstable modes. |
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