f(R)-theories of gravity and gravitational baryogenesis

Details f(R)-theories of gravity and gravitational baryogenesis f(R)-theories of gravity and gravitational baryogenesis

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..67a2055l&link_type=abstract

Journal of Physics: Conference Series, Volume 67, Issue 1, pp. 012055 (2007).

Physics

2

Scientific paper

The mechanism for generating the baryon asymmetry in the Universe is discussed in the framework of f(R)-theories of gravity. The gravitational baryogenesis, based on the coupling between the Ricci scalar curvature R and the baryon current, allows to determine the form of gravity Lagrangian, i.e. fraktur L(R) ~ Rn. The current bound on the observed matter-antimatter asymmetry and Big Bang Nucleosynthesis data lead to n = 0.97.

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