423 citations · 2.5k across the 27 of their papers we have counts for
3 papers · 2 filters
Geometric Baryogenesis from Shift Symmetry
Andrea De Simone, Takeshi Kobayashi, Stefano Liberati
We present a new scenario for generating the baryon asymmetry of the universe that is induced by a Nambu-Goldstone (NG) boson. The shift symmetry naturally controls the operators i…
Spontaneous Baryogenesis without Baryon Isocurvature
Andrea De Simone, Takeshi Kobayashi
We propose a new class of spontaneous baryogenesis models that does not produce baryon isocurvature perturbations. The baryon chemical potential in these models is independent of t…
Cosmological Aspects of Spontaneous Baryogenesis
Andrea De Simone, Takeshi Kobayashi
We investigate cosmological aspects of spontaneous baryogenesis driven by a scalar field, and present general constraints that are independent of the particle physics model. The re…