Globally regular instability of 3dimensional antide Sitter spacetime
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Mathematics and Physics of the Holographic Principle
Coauthor: Joanna Jalmuzna (Jagiellonian University (Krakow))
We consider threedimensional AdS gravity minimally coupled to a massless scalar field and study numerically the evolution of small smooth circularly symmetric perturbations of the AdS_3 spacetime. As in higher dimensions, for a large class of perturbations we observe a turbulent cascade of energy to high frequencies which entails instability of AdS_3. However, in contrast to higher dimensions, the cascade cannot be terminated by black hole formation because small perturbations have energy below the black hole threshold. We give evidence that the turbulence is too weak to produce a naked singularity and the evolution is globally regular in time, in accordance with the cosmic censorship hypothesis.
This talk is part of the Isaac Newton Institute Seminar Series series.
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