$f(T)$ gravitational baryogenesis

Abstract

We investigate how baryogenesis can occur by the presence of an $f(T)$-related gravitational term. We study various cases of $f(T)$ gravity and we discuss in detail the effect of the novel terms on the baryon-to-entropy ratio. Additionally, we study the constraints imposed by the observational values of the baryon-to-entropy ratio and we discuss how more generalized cosmologies can contribute successfully, in a viable and consistent way, in the gravitational baryogenesis mechanism.

6 pages, 1 figure, version published in Phys.Rev.D

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• Baryogenesis in $f(Q,\mathcal{T})$ Gravity
• Dynamical systems approach and generic properties of $f(T)$ cosmology
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• Modified Teleparallel Gravity induced by quantum fluctuations
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• Gravitational charge production
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• Gravitational baryogenesis beyond the spectator approximation