50 citations · 62 across the 3 of their papers we have counts for
Showing hep-thShow all
3 papers · 1 filter
hep-th2007★ 12 cited
Cosmic 21-cm Fluctuations as a Probe of Fundamental Physics
Matthew Kleban, Kris Sigurdson, Ian Swanson
Fluctuations in high-redshift cosmic 21-cm radiation provide a new window for observing unconventional effects of high-energy physics in the primordial spectrum of density perturba…
hep-th2006
Transitions Between de Sitter Minima
Puneet Batra, Matthew Kleban
We investigate the cosmological signatures of instantons mediating tunneling between de Sitter minima. For generic potentials the Coleman-de Luccia instanton does not necessarily e…
hep-th2004
Inflation Unloaded
Matthew Kleban
I present a brief review of astro-ph/0406099, which argues that there is a limit on the number of efolds of inflation which are observable in a universe which undergoes an eternall…