378 citations
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT14 papers
- Indian Institute of Science BangaloreIN6 papers
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5 papers · 1 filter
Gravitational Leptogenesis
Gaetano Lambiase, Subhendra Mohanty
We introduce a dimension five CP violating coupling between the Ricci scalar and fermions. This operator splits the energy level between neutrinos and anti-neutrinos and can genera…
Neutrino Phenomenology, Dark Energy and Leptogenesis from pseudo-Nambu-Goldstone Bosons
C. T. Hill, I. Mocioiu, E. A. Paschos +1
We consider a model of dynamical neutrino masses via the see-saw mechanism. Nambu-Goldstone bosons (majorons) arise associated with the formation of the heavy right-handed majorana…
Low-Energy Thermal Leptogenesis in an Extended NMSSM Model
Ernest Ma, Narendra Sahu, Utpal Sarkar
Thermal leptogenesis in the canonical seesaw model in supersymmetry suffers from the incompatibility of a generic lower bound on the mass scale of the lightest right-handed neutrin…
Constraints on flavor-dependent long range forces from solar neutrinos and KamLAND
Abhijit Bandyopadhyay, Amol Dighe, Anjan S. Joshipura
Flavor-dependent long range (LR) leptonic forces, like those mediated by the or gauge bosons, constitute a minimal extension of the standard model that preserv…
Imprint of spatial curvature on inflation power spectrum
Eduard Masso, Subhendra Mohanty, Akhilesh Nautiyal +1
If the universe had a large curvature before inflation there is a deviation from the scale invariant perturbations of the inflaton at the beginning of inflation. This may have some…