180 citations · 530 across the 6 of their papers we have counts for
Showing astro-phShow all
3 papers · 1 filter
astro-ph2007★ 180 cited
Lemaitre-Tolman-Bondi model and accelerating expansion
Kari Enqvist
I discuss the spherically symmetric but inhomogeneous Lemaitre-Tolman- Bondi (LTB) metric, which provides an exact toy model for an inhomogeneous universe. Since we observe light r…
astro-ph2004★ 142 cited
Non-Gaussianity from Preheating
Kari Enqvist, Asko Jokinen, Anupam Mazumdar +2
We consider a two-field model for inflation where the second order metric perturbations can be amplified by a parametric resonance during preheating. We demonstrate that there can…
astro-ph1997
Magnetic Fields in the Early Universe
Kari Enqvist
The observed galactic magnetic fields may have a primordial origin. I briefly review the observations, their interpretation in terms of the dynamo theory, and the current limits on…