8.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.3k papers
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7 papers · 2 filters
Hadamard Renormalization of the Stress Energy Tensor in a Spherically Symmetric Black Hole Space-Time with an Application to Lukewarm Black Holes
Cormac Breen, Adrian C. Ottewill
We consider a quantum field which is in a Hartle-Hawking state propagating in a spherically symmetric black hole space-time. We calculate the components of the stress tensor, renor…
Generic effective source for scalar self-force calculations
Barry Wardell, Ian Vega, Jonathan Thornburg +1
A leading approach to the modelling of extreme mass ratio inspirals involves the treatment of the smaller mass as a point particle and the computation of a regularized self-force a…
Self-consistent orbital evolution of a particle around a Schwarzschild black hole
Peter Diener, Ian Vega, Barry Wardell +1
The motion of a charged particle is influenced by the self-force arising from the particle's interaction with its own field. In a curved spacetime, this self-force depends on the e…
The Branch Cut and Quasi-normal Modes at Large Imaginary Frequency in Schwarzschild Space-time
Marc Casals, Adrian C. Ottewill
The 'retarded' Green function for fields propagating on a Schwarzschild black hole spacetime possesses a branch cut on the complex frequency plane. Classically, the branch cut is i…
Hadamard Renormalisation of the Stress Energy Tensor on the Horizons of a Spherically Symmetric Black Hole Space-Time
Cormac Breen, Adrian C. Ottewill
We consider a quantum field which is in a Hartle-Hawking state propagating in a general spherically symmetric black hole space-time. We make use of uniform approximations to the ra…
Wave Propagation and Quasinormal Mode Excitation on Schwarzschild Spacetime
Sam R. Dolan, Adrian C. Ottewill
To seek a deeper understanding of wave propagation on the Schwarzschild spacetime, we investigate the relationship between (i) the lightcone of an event and its caustics (self-inte…
Modeling Background Radiation in Isotropic Cosmologies
P. A. Hogan, S. O'Farrell
Using explicit perturbations of isotropic cosmological models which describe simple gravitational waves, an isotropic tensor having the algebraic symmetries of the Bel-Robinson ten…