Nonlinear effects in black hole ringdown from scattering experiments: Spin and initial data dependence of quadratic mode coupling
We investigate quadratic quasinormal mode coupling in black hole spacetime through
numerical experiments of single perturbed black holes using both numerical relativity and …
numerical experiments of single perturbed black holes using both numerical relativity and …
Imprints of changing mass and spin on black hole ringdown
We numerically investigate the imprints of gravitational radiation-reaction driven changes to
a black hole's mass and spin on the corresponding ringdown waveform. We do so by …
a black hole's mass and spin on the corresponding ringdown waveform. We do so by …
Fully relativistic three-dimensional Cauchy-characteristic matching
S Ma, J Moxon, MA Scheel, KC Nelli, N Deppe… - arXiv preprint arXiv …, 2023 - arxiv.org
A fully relativistic three-dimensional Cauchy-characteristic matching (CCM) algorithm is
implemented in a numerical relativity code SpECTRE. The method is free of approximations …
implemented in a numerical relativity code SpECTRE. The method is free of approximations …
Fully relativistic three-dimensional Cauchy-characteristic matching for physical degrees of freedom
S Ma, J Moxon, MA Scheel, KC Nelli, N Deppe… - Physical Review D, 2024 - APS
A fully relativistic three-dimensional Cauchy-characteristic matching (CCM) algorithm is
implemented for physical degrees of freedom in a numerical relativity code spectre. The …
implemented for physical degrees of freedom in a numerical relativity code spectre. The …
Discontinuous Galerkin scheme for elliptic equations on extremely stretched grids
NL Vu - Physical Review D, 2024 - APS
Discontinuous Galerkin (DG) methods for solving elliptic equations are gaining popularity in
the computational physics community for their high-order spectral convergence and their …
the computational physics community for their high-order spectral convergence and their …
Conformally curved initial data for charged, spinning black hole binaries on arbitrary orbits
We present a method to construct conformally curved initial data for charged black hole
binaries with spin on arbitrary orbits. We generalize the superposed Kerr-Schild, extended …
binaries with spin on arbitrary orbits. We generalize the superposed Kerr-Schild, extended …
Is it possible to construct asymptotically flat initial data using the evolutionary forms of the constraints?
Near-Kerr black hole initial datasets are constructed by applying either the parabolic-
hyperbolic or the algebraic-hyperbolic form of the constraints. In both cases, strongly and …
hyperbolic or the algebraic-hyperbolic form of the constraints. In both cases, strongly and …
Formulating the complete initial boundary value problem in numerical relativity to model black hole echoes
In an attempt to simulate black hole echoes (generated by potential quantum-gravitational
structure) in numerical relativity, we recently described how to implement a reflecting …
structure) in numerical relativity, we recently described how to implement a reflecting …
Advances in Simulating Binary Black Holes
Y Chen - 2023 - search.proquest.com
Einstein proposed his famous theory of gravity, general relativity, in 1915, but not until a
century later have physicists been able to directly observe the long-predicted gravitational …
century later have physicists been able to directly observe the long-predicted gravitational …