The effective field theorist's approach to gravitational dynamics
RA Porto - Physics Reports, 2016 - Elsevier
We review the effective field theory (EFT) approach to gravitational dynamics. We focus on
extended objects in long-wavelength backgrounds and gravitational wave emission from …
extended objects in long-wavelength backgrounds and gravitational wave emission from …
Numerical solution of gravitational dynamics in asymptotically anti-de Sitter spacetimes
PM Chesler, LG Yaffe - Journal of High Energy Physics, 2014 - Springer
A bstract A variety of gravitational dynamics problems in asymptotically anti-de Sitter (AdS)
spacetime are amenable to efficient numerical solution using a common approach involving …
spacetime are amenable to efficient numerical solution using a common approach involving …
GRChombo: numerical relativity with adaptive mesh refinement
K Clough, P Figueras, H Finkel… - … and Quantum Gravity, 2015 - iopscience.iop.org
In this work, we introduce ${\mathtt {GRChombo}}: $ a new numerical relativity code which
incorporates full adaptive mesh refinement (AMR) using block structured Berger–Rigoutsos …
incorporates full adaptive mesh refinement (AMR) using block structured Berger–Rigoutsos …
The tune of love and the nature(ness) of spacetime
RA Porto - Fortschritte der Physik, 2016 - Wiley Online Library
The black hole information paradox is among the most outstanding puzzles in physics. I
argue here there is yet another black hole quandary which, in light of the recent direct …
argue here there is yet another black hole quandary which, in light of the recent direct …
Black hole bombs and explosions: from astrophysics to particle physics
V Cardoso - General Relativity and Gravitation, 2013 - Springer
Black holes are the elementary particles of gravity, the final state of sufficiently massive stars
and of energetic collisions. With a 40-year long history, black hole physics is a fully …
and of energetic collisions. With a 40-year long history, black hole physics is a fully …
Rapid growth of superradiant instabilities for charged black holes in a cavity
Scalar fields confined either by a mass term or by a mirrorlike boundary condition have
unstable modes in the background of a Kerr black hole. Assuming a time dependence as ei …
unstable modes in the background of a Kerr black hole. Assuming a time dependence as ei …
Time evolution of superradiant instabilities for charged black holes in a cavity
JC Degollado, CAR Herdeiro - Physical Review D, 2014 - APS
Frequency domain studies have recently demonstrated that charged scalar fields exhibit fast
growing superradiant instabilities when interacting with charged black holes in a cavity …
growing superradiant instabilities when interacting with charged black holes in a cavity …
Holographic turbulence
We construct turbulent black holes in asymptotically AdS 4 spacetime by numerically solving
Einstein's equations. Using the AdS/CFT correspondence we find that both the dual …
Einstein's equations. Using the AdS/CFT correspondence we find that both the dual …
Quantum quenches of holographic plasmas
A bstract We employ holographic techniques to study quantum quenches at finite
temperature, where the quenches involve varying the coupling of the boundary theory to a …
temperature, where the quenches involve varying the coupling of the boundary theory to a …
Testing gravity with extreme-mass-ratio inspirals
A Cárdenas-Avendaño, CF Sopuerta - Recent Progress on Gravity Tests …, 2024 - Springer
Extreme-mass-ratio inspirals consist of binary systems of compact objects, with orders of
magnitude differences in their masses, in the regime where the dynamics are driven by …
magnitude differences in their masses, in the regime where the dynamics are driven by …