25 citations · 39 across the 4 of their papers we have counts for
3 papers · 1 filter
Cross-correlation between the curvature perturbations and magnetic fields in pure ultra slow roll inflation
Sagarika Tripathy, Debika Chowdhury, H. V. Ragavendra +1
Motivated by the aim of producing significant number of primordial black holes, over the past few years, there has been a considerable interest in examining models of inflation inv…
Circumventing the challenges in the choice of the non-conformal coupling function in inflationary magnetogenesis
Sagarika Tripathy, Debika Chowdhury, H. V. Ragavendra +2
[Abridged] As is well known, in order to generate magnetic fields of observed amplitudes during inflation, the conformal invariance of the electromagnetic field has to be broken by…
On the challenges in the choice of the non-conformal coupling function in inflationary magnetogenesis
Sagarika Tripathy, Debika Chowdhury, Rajeev Kumar Jain +1
Primordial magnetic fields are generated during inflation by considering actions that break the conformal invariance of the electromagnetic field. To break the conformal invariance…