Instability of gravitational baryogenesis with fermions
arXiv:1702.07477 · doi:10.1088/1475-7516/2017/06/001
Abstract
The derivative coupling of baryonic current to the curvature scalar in gravitational baryogenesis scenarios leads to higher order equations for gravitational field. It is shown that these equations are strongly unstable and destroy standard cosmology. This is a generalization of our earlier results obtained for scalar baryons to realistic fermions.
arXiv comment10 pages. Conclusion section is extended. Some explanatory comments and several references are added. Accepted for publication in JCAP
References in corpus (21)
- Is Cosmic Speed-Up Due to New Gravitational Physics?
- Models of f(R) Cosmic Acceleration that Evade Solar-System Tests
- Disappearing cosmological constant in f(R) gravity
- Can modified gravity explain accelerated cosmic expansion?
- Do consistent models mimic General Relativity plus ?
- Curing singularities in cosmological evolution of F(R) gravity
- Gravitational Baryogenesis
- A Singularity Problem with f(R) Dark Energy
- Baryogenesis in -Theories of Gravity
- Diffusion Enhances Spontaneous Electroweak Baryogenesis
- Gauss-Bonnet Gravitational Baryogenesis
- Neutrino coupling to cosmological background: A review on gravitational Baryo/Leptogenesis
- Explosive phenomena in modified gravity
- A Note on Gravitational Baryogenesis
- Loop Quantum Cosmology Gravitational Baryogenesis
- Gravitational Leptogenesis in the Axion Inflation with an SU(2) gauge field
- General properties and kinetics of spontaneous baryogenesis
- Gravitational Baryogenesis after Anisotropic Inflation
- Intrinsic problems of gravitational baryogenesis
- Consequences of f(R)-theories of gravity on gravitational leptogenesis
- Leptogenesis and gravity: baryon asymmetry without decays