2 papers
astro-ph.CO2020
Fundamental limits on constraining primordial non-Gaussianity
Alba Kalaja, P. Daniel Meerburg, Guilherme L. Pimentel +1
We study the cosmic variance limit on constraining primordial non-Gaussianity for a variety of theory-motivated shapes. We consider general arguments for 2D and 3D surveys, with a…
astro-ph.CO2019
From Primordial Black Holes Abundance to Primordial Curvature Power Spectrum (and back)
Alba Kalaja, Nicola Bellomo, Nicola Bartolo +5
In the model where Primordial Black Holes (PBHs) form from large primordial curvature (C) perturbations, i.e., CPBHs, constraints on PBH abundance provide in principle constraints…