569 citations · 3.9k across the 76 of their papers we have counts for
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Generalised superradiant scattering
Mauricio Richartz, Silke Weinfurtner, A. J. Penner +1
We analyse the necessary and sufficient conditions for the occurrence of superradiance. Starting with a wave equation we examine the possibility of superradiance in terms of an eff…
Signature-change events in emergent spacetimes with anisotropic scaling
Silke Weinfurtner, Angela White, Matt Visser
We investigate the behaviour of quantum fields coupled to a spacetime geometry exhibiting finite regions of Euclidean (Riemannian) signature. Although from a gravity perspective th…
Quantum gravity without Lorentz invariance
Thomas P Sotiriou, Matt Visser, Silke Weinfurtner
There has been a significant surge of interest in Horava's model for 3+1 dimensional quantum gravity, this model being based on anisotropic scaling at a z=3 Lifshitz point. Horava'…
Phenomenologically viable Lorentz-violating quantum gravity
Thomas P. Sotiriou, Matt Visser, Silke Weinfurtner
Horava's "Lifschitz point gravity" has many desirable features, but in its original incarnation one is forced to accept a non-zero cosmological constant of the wrong sign to be com…