Standard Model Extension with Gravity and Gravitational Baryogenesis

Abstract

The Standard Model Extension with the inclusion of gravity is studied in the framework of the gravitational baryogenesis, a mechanism to generate the baryon asymmetry based on the coupling between the Ricci scalar curvature and the baryon current (\partial_μR)J^μ. We show that, during the radiation era of the expanding Universe, a non vanishing time derivative of the Ricci curvature arises as a consequence of the coupling between the coefficients for the Lorentz and CPT violation and Ricci's tensor. The order of magnitude for these coefficients are derived from current bounds on baryon asymmetry.

5 pages, no figures

References in corpus (31)

• Lorentz-Violating Extension of the Standard Model
• CPT Violation and the Standard Model
• Gravity, Lorentz Violation, and the Standard Model
• Relativity in space-times with short-distance structure governed by an observer-independent (Planckian) length scale
• Modern tests of Lorentz invariance
• Noncommutative Field Theory and Lorentz Violation
• Nonstandard optics from quantum spacetime
• Gravity with a dynamical preferred frame
• Quantum gravity corrections to neutrino propagation
• Spontaneous Lorentz Violation, Nambu-Goldstone Modes, and Gravity
• Einstein-Aether Waves
• Loop quantum gravity and light propagation
• Gravitational Baryogenesis
• Astrophysical Probes of the Constancy of the Velocity of Light
• Spacetime-varying couplings and Lorentz violation
• Cross Sections and Lorentz Violation
• CPT Violation and Baryogenesis
• What Is The BBN Prediction for the Baryon Density and How Reliable Is It?
• Reconcile Planck-scale discreteness and the Lorentz-Fitzgerald contraction
• Cosmological acceleration, varying couplings, and Lorentz breaking
• A Microscopic Recoil Model for Light-Cone Fluctuations in Quantum Gravity
• Quantum gravity and spin 1/2 particles effective dynamics
• Gravitational Leptogenesis and Its Signatures in CMB
• Quintessence and Spontaneous Leptogenesis
• Gravitational Leptogenesis and Neutrino Mass Limit
• K-essential Leptogenesis
• Lorentz Invariance Breakdown and Constraints from Big-Bang Nucleosynthesis
• Gravitational baryogenesis in Gauss-Bonnet braneworld cosmology
• Statistical Mechanics and Lorentz Violation
• Spacetime dynamics and baryogenesis in braneworld
• Baryogenesis after Hyperextended Inflation

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• $f(T)$ gravitational baryogenesis
• Neutrino coupling to cosmological background: A review on gravitational Baryo/Leptogenesis
• Baryon asymmetry from Barrow entropy: theoretical predictions and observational constraints
• A Note on Gravitational Baryogenesis
• Loop Quantum Cosmology Gravitational Baryogenesis
• Gravity with explicit spacetime symmetry breaking and the Standard-Model Extension
• Constraining the Preferred-Frame ${\alpha }_1$, ${\alpha }_2$ parameters from Solar System planetary precessions
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• Gravitational baryogenesis in extended teleparallel theories of gravity
• Constraints on Singular Evolution from Gravitational Baryogenesis
• Gravitational Baryogenesis after Anisotropic Inflation
• Constraining the Lorentz-Violating Bumblebee Vector Field with Big Bang Nucleosynthesis and Gravitational Baryogenesis
• The Early-time Cosmology with Stiff Era from Modified Gravity
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• Inflation as an amplifier: the case of Lorentz violation
• Gravity with Explicit Diffeomorphism Breaking
• Curved spacetime effective field theory (cEFT) -- construction with the heat kernel method
• Gravitational Baryogenesis in Ho$\check{r}$ava-Lifshitz gravity
• Gravitational baryogenesis without CPT violation
• Gravitational baryogenesis in DGP brane cosmology
• Matter-antimatter asymmetry in generalized coupling theories