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Towards thermodynamics of universal horizons in Einstein-æther theory
Per Berglund, Jishnu Bhattacharyya, David Mattingly
Holography grew out of black hole thermodynamics, which relies on the causal structure and general covariance of general relativity. In Einstein-æther theory, a generally covariant…
Lorentz breaking effective field theory models for matter and gravity: theory and observational constraints
Stefano Liberati, David Mattingly
A number of different approaches to quantum gravity are at least partly phenomenologically characterized by their treatment of Lorentz symmetry, in particular whether the symmetry…
Mechanics of universal horizons
Per Berglund, Jishnu Bhattacharyya, David Mattingly
Modified gravity models such as Hořava-Lifshitz gravity or Einstein-æther theory violate local Lorentz invariance and therefore destroy the notion of a universal light cone. Despit…