695 citations · 7k across the 122 of their papers we have counts for
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gr-qc2002★ 144 cited
Covariant Perturbations of Schwarzschild Black Holes
Chris A. Clarkson, Richard K. Barrett
We present a new covariant and gauge-invariant perturbation formalism for dealing with spacetimes having spherical symmetry (or some preferred spatial direction) in the background,…
astro-ph2002★ 21 cited
CMB limits on large-scale magnetic fields in an inhomogeneous universe
C. A. Clarkson, A. A. Coley, R. Maartens +1
We use the cosmic microwave background temperature anisotropy to place limits on large-scale magnetic fields in an inhomogeneous (perturbed Friedmann) universe. If no assumptions a…
gr-qc2002★ 4 cited
On Scaling Solutions with a Dissipative Fluid
J. Ibanez, C. A. Clarkson, A. A. Coley
We study the asymptotic behaviour of scaling solutions with a dissipative fluid and we show that, contrary to recent claims, the existence of stable accelerating attractor solution…