1 citations · 1 across the 2 of their papers we have counts for
4 papers
GRTresna: An open-source code to solve the initial data constraints in numerical relativity
Josu C. Aurrekoetxea, Sam E. Brady, Llibert Aresté-Saló +11
GRTresna is a multigrid solver designed to solve the constraint equations for the initial data required in numerical relativity simulations. In particular, it is focussed on scenar…
Cuspidal Singularities in Collapsing Domain Walls
Jose J. Blanco-Pillado, Matthew Elley, Francesc Ferrer +4
Domain wall networks have attracted renewed interest, particularly in relation to the dynamics of network collapse. Accurately describing this process is challenging and typically…
A critical value of the inflationary tensor-to-scalar ratio from inhomogeneous inflation
Panagiotis Giannadakis, Matthew Elley, Raphael Flauger +1
We show that, for a given fixed value of the number of e-folds of the homogeneous solution, inflation succeeds with order unity inhomogeneities in the initial conditions above a ch…
Robustness of inflation to kinetic inhomogeneities
Matthew Elley, Josu C. Aurrekoetxea, Katy Clough +3
We investigate the effects of large inhomogeneities in both the inflaton field and its momentum. We find that in general, large kinetic perturbations reduce the number of e-folds o…