312 citations · 4.8k across the 103 of their papers we have counts for
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Gravity waves on modulated flows downstream from an obstacle: The transcritical case
Florent Michel, Renaud Parentani, Scott Robertson
Periodic spatial variations of some parameter arise in analogue gravity experiments aimed at detecting the analogue version of the Hawking effect in a white hole flow. Having the s…
Scattering of gravity waves in subcritical flows over an obstacle
Scott Robertson, Florent Michel, Renaud Parentani
We numerically study the scattering coefficients of linear water waves on stationary flows above a localized obstacle. We compare the scattering on trans- and subcritical flows, an…
Dynamical instabilities and quasi-normal modes, a spectral analysis with applications to black-hole physics
Antonin Coutant, Florent Michel, Renaud Parentani
Black hole dynamical instabilities have been mostly studied in specific models. We here study the general properties of the complex-frequency modes responsible for such instabiliti…
Mode mixing in sub- and trans-critical flows over an obstacle: When should Hawking's predictions be recovered?
Florent Michel, Renaud Parentani
We reexamine the scattering coefficients of shallow water waves blocked by a stationary counter current over an obstacle. By considering series of background flows, we show that th…
Hawking radiation in the presence of high-momentum dissipation
Scott Robertson, Renaud Parentani
We study the Hawking radiation in field theories which break Lorentz invariance via dissipative effects above a certain energy scale. We assume that the additional degrees of freed…
Black hole radiation in the presence of a universal horizon
Florent Michel, Renaud Parentani
In Hořava and Einstein-Æther theories of modified gravity, in spite of the violation of Lorentz invariance, spherically-symmetric stationary black hole solutions possess an inner u…