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Department of Applied Mathematics and Theoretical Physics

I work mostly the field of "numerical relativity". The goal of much of my research is directed towards testing General Relativity (GR) in the strong field, dynamical regime.

Publications

Dynamics of Spontaneous Black Hole Scalarization and Mergers in Einstein-Scalar-Gauss-Bonnet Gravity.
WE East, JL Ripley
– Phys Rev Lett
(2021)
127,
101102
A symmetric hyperbolic formulation of the vacuum Einstein equations in affine-null coordinates
JL Ripley
– Journal of Mathematical Physics
(2021)
62,
062501
Second-order perturbations of Kerr black holes: Formalism and reconstruction of the first-order metric
N Loutrel, JL Ripley, E Giorgi, F Pretorius
– Physical Review D
(2021)
103,
104017
Numerical computation of second-order vacuum perturbations of Kerr black holes
JL Ripley, N Loutrel, E Giorgi, F Pretorius
– Physical Review D
(2021)
103,
104018
Evolution of Einstein-scalar-Gauss-Bonnet gravity using a modified harmonic formulation
WE East, JL Ripley
– Physical Review D
(2021)
103,
044040
Dynamics of a ${\mathbb{Z}}_{2}$ symmetric EdGB gravity in spherical symmetry
JL Ripley, F Pretorius
– Classical and Quantum Gravity
(2020)
37,
155003
Scalarized black hole dynamics in Einstein-dilaton-Gauss-Bonnet gravity
JL Ripley, F Pretorius
– Physical Review D
(2020)
101,
044015
Excision and avoiding the use of boundary conditions in numerical relativity
JL Ripley
– Classical and Quantum Gravity
(2019)
36,
237001
Gravitational collapse in Einstein dilaton-Gauss-Bonnet gravity
JL Ripley, F Pretorius
– Classical and Quantum Gravity
(2019)
36,
134001
Hyperbolicity in spherical gravitational collapse in a Horndeski theory
JL Ripley, F Pretorius
– Physical Review D
(2019)
99,
084014
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Research Group

Relativity and Gravitation

Room

BL.34

Telephone

01223 764292