Brans-Dicke theory in Bondi-Sachs form: Asymptotically flat solutions, asymptotic symmetries and gravitational-wave memory effects
We study the structure of asymptotic null infinity in the Brans-Dicke theory of gravity
Recent Posts
A fixed point for black hole distributions
Merger dynamics create an attractive fixed-point in the space of distributions
qnm talk (and notebook) at the BHPToolkit spring 2020 workshop
Last week I gave an invited talk at the Spring 2020 workshop of the Black Hole Perturbation Toolkit (BHPToolkit). The BHPToolkit is a collection of open sou...
Numerical relativity simulation of GW150914 beyond general relativity
The first astrophysically-relevant numerical simulation of merging black holes in a higher-curvature theory beyond GR.
Notes: Generalized harmonic form of Einstein’s equations from a gauge-fixed action
The generalized harmonic formulation can be derived by adding a gauge-fixing term to the Einstein-Hilbert action