454 citations · 3.8k across the 68 of their papers we have counts for
3 papers · 1 filter
Are braneworlds born isotropic?
Peter K. S. Dunsby, Naureen Goheer, Marco Bruni +1
It has recently been suggested that an isotropic singularity may be a generic feature of brane cosmologies, even in the inhomogeneous case. Using the covariant and gauge-invariant…
Covariant Fluid Dynamics: a Long Wave-Length Approximation
Marco Bruni, Carlos F. Sopuerta
In this paper we consider the Long-Wavelength Approximation Scheme (LWAS) in the framework of the covariant fluid approach to general relativistic dynamics, specializing to the par…
Non-Linear N-Parameter Spacetime Perturbations: Gauge Transformations
Carlos F. Sopuerta, Marco Bruni, Leonardo Gualtieri
We introduce N-parameter perturbation theory as a new tool for the study of non-linear relativistic phenomena. The main ingredient in this formulation is the use of the Baker-Campb…