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hep-ph2023
Testing Axionic Dark Matter during Gravitational Reheating
Basabendu Barman, Arghyajit Datta
Assuming axions are potential dark matter (DM) candidate that make up all of the DM abundance, we discuss production of axions via (i) standard misalignment mechanism during the pe…
hep-ph2023
Leptogenesis from a Phase Transition in a Dynamical Vacuum
Dipendu Bhandari, Arghyajit Datta, Arunansu Sil
We show that a phase transition may take place in the early Universe at a temperature via a Standard Model singlet scalar field which happens to couple to right handed neutri…