Dynamics and stability of black rings

@inproceedings{Elvang2006DynamicsAS,
  title={Dynamics and stability of black rings},
  author={Henriette Dina-Maria Elvang and Roberto Emparan and Amitabh Virmani},
  year={2006}
}
We examine the dynamics of neutral black rings, and identify and analyze a selection of possible instabilities. We find the dominating forces of very thin black rings to be a Newtonian competition between a string-like tension and a centrifugal force. We study in detail the radial balance of forces in black rings, and find evidence that all thin black rings are unstable to radial perturbations. Most thin black rings, if not all of them, also likely suffer from Gregory-Laflamme instabilities. We… CONTINUE READING

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