253 citations · 508 across the 11 of their papers we have counts for
3 papers · 1 filter
Reconstructing a general inflationary action
Rachel Bean, Daniel J. H. Chung, Ghazal Geshnizjani
If inflation is to be considered in an unbiased way, as possibly originating from one of a wide range of underlying theories, then observations need not be simply applied to recons…
Cuscuton Cosmology: Dark Energy meets Modified Gravity
Niayesh Afshordi, Daniel J. H. Chung, Michael Doran +1
In a companion paper (hep-th/0609150), we have introduced a model of scalar field dark energy, Cuscuton, which can be realized as the incompressible (or infinite speed of sound) li…
Do Large-Scale Inhomogeneities Explain Away Dark Energy?
Ghazal Geshnizjani, Daniel J. H. Chung, Niayesh Afshordi
Recently, new arguments (astro-ph/0501152, hep-th/0503117) for how corrections from super-Hubble modes can explain the present-day acceleration of the universe have appeared in the…