65 citations · 157 across the 5 of their papers we have counts for
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gr-qc2009★ 29 cited
Inflationary potentials in DBI models
Dennis Bessada, William H. Kinney, Konstantinos Tzirakis
We study DBI inflation based upon a general model characterized by a power-law flow parameter and speed of sound , where and are constant…
astro-ph2009★ 28 cited
Tensors, non-Gaussianities, and the future of potential reconstruction
Brian A. Powell, Konstantinos Tzirakis, William H. Kinney
We present projections for reconstruction of the inflationary potential expected from ESA's upcoming Planck Surveyor CMB mission. We focus on the effects that tensor perturbations…