440 citations · 9.4k across the 157 of their papers we have counts for
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astro-ph.CO2009★ 126 cited
Scale dependence of local f_NL
Christian T. Byrnes, Sami Nurmi, Gianmassimo Tasinato +1
We consider possible scale-dependence of the non-linearity parameter f_NL in local and quasi-local models of non-Gaussian primordial density perturbations. In the simplest model wh…
astro-ph.CO2009★ 111 cited
Non-Gaussianity beyond slow roll in multi-field inflation
Christian T. Byrnes, Gianmassimo Tasinato
We study the non-Gaussianity generated during multiple-field inflation. We provide an exact expression for the bispectrum parameter f_NL which is valid beyond the slow-roll regime,…