Algebra of Universal Horizon Preserving Diffeomorphisms

24 Oct 2018 Mattingly David Roberson Matthew Basu Sayandeb

In relativistic gravity, requiring a spacetime hypersurface be a Killing horizon breaks the general covariance of general relativity. The residual algebra of horizon preserving diffeomorphisms can be extended to a Virasoro algebra near the horizon, the central charge of which yields the Bekenstein-Hawking entropy via the Cardy formula... (read more)

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  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY