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PIRSA:14050002

Black holes without Lorentz symmetry

APA

Sotiriou, T. (2014). Black holes without Lorentz symmetry. Perimeter Institute for Theoretical Physics. https://pirsa.org/14050002

Thomas Sotiriou University of Nottingham

Talk numberPIRSA:14050002
Source RepositoryPIRSA
Collection

Abstract

Our current definition of what a black hole is relies heavily on the assumption that there exists a finite maximum speed of propagation for any signal. Indeed, one is tempted to think that the notion of a black hole has no place in a world with infinitely fast signal propagation. I will use concrete examples from Lorentz-violating gravity theories to demonstrate that this naive expectation is not necessarily true.