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- Centro de Astrofísica da Universidade do PortoPT27 papers
- Centre National de la Recherche ScientifiqueFR13 papers
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6 papers · 1 filter
Global embedding of the Kerr black hole event horizon into hyperbolic 3-space
G. W. Gibbons, C. A. R. Herdeiro, C. Rebelo
An explicit global and unique isometric embedding into hyperbolic 3-space, H^3, of an axi-symmetric 2-surface with Gaussian curvature bounded below is given. In particular, this al…
Dynamical and Thermodynamical Aspects of Interacting Kerr Black Holes
Miguel S. Costa, Carlos A. R. Herdeiro, Carmen Rebelo
We consider the asymptotically flat double-Kerr solution for two equal mass black holes with either the same or opposite angular momentum and with a massless strut between them. Fo…
Stationary Metrics and Optical Zermelo-Randers-Finsler Geometry
G. W. Gibbons, C. A. R. Herdeiro, C. M. Warnick +1
We consider a triality between the Zermelo navigation problem, the geodesic flow on a Finslerian geometry of Randers type, and spacetimes in one dimension higher admitting a timeli…
On the interaction between two Kerr black holes
Carlos A. R. Herdeiro, Carmen Rebelo
The double-Kerr solution is generated using both a Backlund transformation and the Belinskii-Zakharov inverse-scattering technique. We build a dictionary between the parametrisatio…
Matched-filtering and parameter estimation of ringdown waveforms
Emanuele Berti, Jaime Cardoso, Vitor Cardoso +1
Using recent results from numerical relativity simulations of non-spinning binary black hole mergers we revisit the problem of detecting ringdown waveforms and of estimating the so…
A gravito-electromagnetic analogy based on tidal tensors
L. Filipe Costa, Carlos A. R. Herdeiro
We propose a new approach to a physical analogy between General Relativity and Electromagnetism, based on tidal tensors of both theories. Using this approach we write a covariant f…