3 papers
hep-ph2025
Viability of post-inflationary freeze-in with precision cosmology
Anirban Biswas, Sougata Ganguly, Dibyendu Nanda +1
Prediction of inflationary observables from the temperature fluctuation of Cosmic Microwave Background (CMB) can play a pivotal role in predicting the reheating dynamics in the ear…
hep-ph2025
Probing low scale leptogenesis through gravitational wave
Anirban Biswas, Sougata Ganguly
The quest for a common origin of neutrino mass and baryogenesis is one of the longstanding goals in particle physics. A minimal gauge extension of the Standard Model by $U(1)_{\rm…
hep-ph2020
When Freeze-out occurs due to a non-Boltzmann suppression: A study of degenerate dark sector
Anirban Biswas, Sougata Ganguly, Sourov Roy
Exponential suppression or commonly known as the Boltzmann suppression in the number density of dark matter is the key ingredient for creating chemical imbalance prior to the usual…