168 citations · 505 across the 39 of their papers we have counts for
Showing astro-ph.COShow all
3 papers · 1 filter
astro-ph.CO2022★ 32 cited
Shapes of non-Gaussianity in warm inflation
Mehrdad Mirbabayi, Andrei Gruzinov
Sphaleron heating has been recently proposed as a mechanism to realize warm inflation when inflaton is an axion coupled to pure Yang-Mills. As a result of heating, there is a frict…
astro-ph.CO2019
Spin of Primordial Black Holes
Mehrdad Mirbabayi, Andrei Gruzinov, Jorge Noreña
Primordial black holes, formed from rare peaks in the primordial fluctuations , are non-rotating at zeroth order in . We show that the spin also vanishes at first o…
astro-ph.CO2009
The first magnetic fields in the universe
Andrei Gruzinov
We show that the first structures that form in the universe should spontaneously generate magnetic fields. No primordial seed field is required for this "first dynamo". Although th…