2006/10/12 by G. Lambiase, Gaetano Lambiase, G. Scarpetta · 4 citations
Mathematics · Physics and Astronomy · #Asymmetry #Baryogenesis #Baryon #Baryon asymmetry #Baryon number #Black Holes and Theoretical Physics #Context (archaeology) #Cosmology and Gravitation Theories #Curvature #Geometry #Lepton #Mathematical physics #Mathematics #Noncommutative and Quantum Gravity Theories #Particle physics #Physics #Quantum mechanics #Scalar (mathematics) #Scalar curvature #astro-ph
paper · pdf · doi:10.1103/physrevd.74.087504
published as Phys.Rev. D74 (2006) 087504 · 6 pages, 4 figures
arxiv created 2006/10/12 · openalex publication_date 2006/10/23 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
f(R)-theories of gravity are reviewed in the context of the so called gravitational baryogenesis. The latter is a mechanism for generating the baryon asymmetry in the Universe, and relies on the coupling between the Ricci scalar curvature R and the baryon current. Gravity Lagrangians of the form L(R)\ensuremath∼Rn, where n differs from 1 (the case of the General Relativity) only for tiny deviations of a few percent, are consistent with the current bounds on the observed baryon asymmetry.