39 citations · 116 across the 5 of their papers we have counts for
3 papers · 1 filter
Large fluctuations and Primordial Black Holes
Sayantan Choudhury, M. Sami
In this paper, we review in detail different mechanisms of generation of large primordial fluctuations and their implications for the production of primordial black holes (PBHs) an…
Primordial Black Holes from Effective Field Theory of Stochastic Single Field Inflation at NNNLO
Sayantan Choudhury, Ahaskar Karde, Pankaj Padiyar +1
We present a study of the Effective Field Theory (EFT) generalization of stochastic inflation in a model-independent single-field framework and its impact on primordial black hole…
Realisation of the ultra-slow roll phase in Galileon inflation and PBH overproduction
Sayantan Choudhury, Ahaskar Karde, Sudhakar Panda +1
We demonstrate the explicit realisation of the ultra-slow roll phase in the framework of the effective field theory of single-field Galileon inflation. The pulsar timing array (PTA…