A Note on Gravitational Baryogenesis

Abstract

The coupling between Ricci scalar curvature and the baryon number current dynamically breaks CPT in an expanding universe and leads to baryon asymmetry. We study the effect of time dependence of equation of state parameter of the FRW universe on this asymmetry.

10 pages, accepted for publication in Physical Review D

References in corpus (21)

• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Preliminary Maps and Basic Results
• Interacting Quintessence
• Interacting quintessence solution to the coincidence problem
• Cosmology with Interaction between Phantom Dark Energy and Dark Matter and the Coincidence Problem
• Cosmologies with Energy Exchange
• Gravitational Baryogenesis
• A Matter-Antimatter Universe?
• What Is The BBN Prediction for the Baryon Density and How Reliable Is It?
• Cosmological coincidence problem in interacting dark energy models
• Cosmological Evolution of Interacting Phantom Energy with Dark Matter
• On the reheating stage after inflation
• Gravitational Leptogenesis and Its Signatures in CMB
• Baryogenesis in $f(R)$-Theories of Gravity
• Baryogenesis at Low Reheating Temperatures
• Thermodynamics second law and $\omega =-1$ crossing(s) in interacting holographic dark energy model
• Gravitational Leptogenesis and Neutrino Mass Limit
• Particle vs. future event horizon in interacting holographic dark energy model
• Gravitational baryogenesis in Gauss-Bonnet braneworld cosmology
• Standard Model Extension with Gravity and Gravitational Baryogenesis
• Radion Induced Spontaneous Baryogenesis
• Spacetime dynamics and baryogenesis in braneworld

Cited by in corpus (25)

• f(R) theories
• Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution
• Modified gravity with R-matter couplings and (non-)geodesic motion
• Generalized Second Law of Thermodynamics in $f(T)$ Gravity with Entropy Corrections
• Neutrino coupling to cosmological background: A review on gravitational Baryo/Leptogenesis
• Baryon asymmetry from Barrow entropy: theoretical predictions and observational constraints
• Baryon Asymmetry from the Generalized Uncertainty Principle
• Primordial magnetic fields and gravitational baryogenesis in nonlinear electrodynamics
• Constraining the Lorentz-Violating Bumblebee Vector Field with Big Bang Nucleosynthesis and Gravitational Baryogenesis
• The Early-time Cosmology with Stiff Era from Modified Gravity
• Gravitational Baryogenesis in Anisotropic Universe
• Intrinsic problems of gravitational baryogenesis
• The Impact of Particle Production on Gravitational Baryogenesis
• Validity of Generalized Second Law of Thermodynamics in the Logamediate and Intermediate scenarios of the Universe
• Higher-order generalized uncertainty principle applied to gravitational baryogenesis
• Instability of gravitational baryogenesis with fermions
• Dilaton Dark Energy Model in f(R), f(T) and Horava-Lifshitz Gravities
• Multicomponent solution in modified theory of gravity in the early universe
• Gravitational charge production
• The generalized second law of thermodynamics of the universe bounded by the event horizon and modified gravity theories
• Scalar-tensor baryogenesis: a scalar-tensor completion of gravitational baryogenesis
• Study of Thermodynamic Quantities in Generalized Gravity Theories
• Gravitational baryogenesis beyond the spectator approximation
• Gravitational baryogenesis in $F(R)$ gravity's rainbow
• Generalized Second Law of Thermodynamics on the Event Horizon for Interacting Dark Energy