Baryogenesis from Flat Directions of the Supersymmetric Standard Model

Abstract

Baryogenesis from the coherent production of a scalar condensate along a flat direction of the supersymmetric extension of the standard model (Affleck-Dine mechanism) is investigated. Two important effects are emphasized. First, nonrenormalizable terms in the superpotential can lift standard model flat directions at large field values. Second, the finite energy density in the early universe induces soft potentials with curvature of order the Hubble constant. Both these have important implications for baryogenesis, which requires large squark or slepton expectation values to develop along flat directions. In particular, the induced mass squared must be negative. The resulting baryon to entropy ratio is very insensitive to the details of the couplings and initial conditions, but depends on the dimension of the nonrenormalizable operator in the superpotential which stabilizes the flat direction and the reheat temperature after inflation. Unlike the original scenario, an acceptable baryon asymmetry can result without subsequent entropy releases. In the simplest scenario the baryon asymmetry is generated along the $L{H}_u$ flat direction, and is related to the mass of the lightest neutrino.

46 pages, latex, 2 figures

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• Cosmology with a Heavy Polonyi Field
• About the isocurvature tension between axion and high scale inflationary models
• Reheating, thermalization and non-thermal gravitino production in MSSM inflation
• Baryogenesis via Gravitational Spontaneous Symmetry Breaking
• D-term inflation and neutrino mass
• A solution to the baryon-DM coincidence problem in the CMSSM with a 126-GeV Higgs boson
• Affleck-Dine baryogenesis with modulated reheating
• Reheating a multi-throat universe by brane motion
• Gauge-Mediated Curvature of the Flat Directions During Preheating
• Affleck-Dine leptogenesis via multiscalar evolution in a supersymmetric seesaw model
• Affleck-Dine Leptogenesis with Varying Peccei-Quinn Scale
• More about Q-ball with elliptical orbit
• Inflation and The Minimal Supersymmetric Standard Model
• Can dark matter drive electroweak symmetry breaking?
• Reheating constraints to modulus mass for single field inflationary models
• Anthropically Selected Baryon Number and Isocurvature Constraints
• Aspects of warm-flat directions
• Thermal curvature perturbations in thermal inflation
• Baryogenesis from the amplification of vacuum fluctuations during inflation
• Soft Leptogenesis and Gravitino Dark Matter in Gauge Mediation
• $\mu$-term as the origin of baryon and lepton number asymmetry
• Cosmological Moduli Problem in a Supersymmetric Model with Direct Gauge Mediation
• Holomorphic selection rules, the origin of the mu term, and thermal inflation
• Axino Dark Matter in Moduli-induced Baryogenesis
• Cosmic perturbations, baryon asymmetry and dark matter from the minimal supersymmetric standard model
• Resonant particle production in branonium
• Decay of Affleck-Dine Condensates with Application to Q-balls
• Affleck-Dine baryogenesis in inflating curvaton scenario with O($10-10^2$TeV) mass moduli curvaton
• Leptogenesis and Dark Matter-Nucleon Scattering Cross Section in the SE6SSM
• Revisiting gravitino dark matter in thermal leptogenesis
• Gauged Q-ball Decay Rates into Fermions
• Moduli mediation without moduli-induced gravitino problem
• Constraints on small-field axion inflation
• Can thermal inflation be consistent with baryogenesis in gauge-mediated SUSY breaking models?
• Dirac CP phase in the neutrino mixing matrix and the Froggatt-Nielsen mechanism with $\mathbf{det}[{\mathbf{M}}_{\nu }]=0$
• Kahler potentials for the MSSM inflation and the spectral index
• Baryogenesis via left-right asymmetry generation by Affleck-Dine mechanism in Dirac neutrino model
• TeV Right-handed Neutrinos and the Flavor-symmetry-improved Seesaw Mechanism
• Affleck-Dine baryogenesis after D-term inflation and solutions to the baryon-DM coincidence problem
• Vacuum stability of the type II seesaw leptogenesis from inflation
• Towards a more complete description of hybrid leptogenesis
• A New Era of Leptogenesis
• Affleck-Dine Leptogenesis and Low Scale Inflation
• Leptogenesis Scenarios via Non-Thermally Produced Right-handed Neutrino and Sneutrino in Supersymmetric Seesaw Model
• Q-balls Formation and the Production of Gravitational Waves With Non-minimal Gravitational Coupling
• Study of the Growth of Entropy Modes in MSSM Flat Directions Decay: Constraints on the Parameter Space
• Towards the robustness of Affleck-Dine mechanism
• Spacetime evolution during moduli stabilization in radiation dominated era beyond 4D effective theory
• Neutrino Masses, Baryogenesis and Bilinear R-parity Violation
• Affleck-Dine baryogenesis in the SUSY Dine-Fischler-Srednicki-Zhitnitsky axion model without R-parity
• Thermal Inflation with a Thermal Waterfall Scalar Field Coupled to a Light Spectator Scalar Field
• Q-balls Under Spontaneously Broken U(1) Symmetry
• Induced-Gravity Palatini-Like Higgs Inflation in Supergravity Confronts ACT DR6
• Catching p via s wave with indirect detection
• Parameterizing the SFC Baryogenesis Model
• Baryon Asymmetries in the Natural Inflation Model
• The virial relation for the Q-balls in the thermal logarithmic potential revisited analytically
• Light Higgs boson scenario in the SUSY seesaw model
• The quantum origin of cosmic structure: theory and observations
• On Inflation in the Presence of a Gaugino Condensate
• A Possible Cosmological Explanation of why Supersymmetry is hiding at the LHC
• Kinetic and chemical equilibrium of the Universe and gravitino production
• Condensate cosmology in O'Raifeartaigh models
• Testing hilltop supernatural inflation with gravitational waves
• u^{c}d^{c}d^{c}-Based Affleck-Dine Baryogenesis
• The Dark Side of Electroweak Naturalness Beyond the MSSM
• Revisiting the cosmological coherent oscillation
• Gravitino phenomenology and cosmological implications of supergravity
• Inflation and Preheating in Supergravity with MSSM Flat Directions
• Flat Direction Dynamics in a Non-Topological Soliton-Dominated Universe
• Inflation and Leptogenesis in a $U(1)$-enhanced supersymmetric model
• The Early Universe with High-Scale Supersymmetry
• The further estimations of the Q-balls with one-loop motivated effective potential
• Linear seesaw leptogenesis before/after electroweak symmetry breaking
• R-Parity Violation Axiogenesis
• Dark matter in the KL moduli stabilization scenario with SUSY breaking sector from $\mathcal{N}=1$ SQCD
• Planck scale operators, inflation and fine tuning
• Higgs-Squark-Slepton Inflation from the MSSM
• Q-ball Metamorphosis
• ALP Dark Matter from Kinetic Fragmentation: Opening up the Parameter Window
• Connecting String/M Theory to the Electroweak Scale and to LHC Data
• Post Inflationary Behaviour of String Moduli
• Supersymmetric inflation and baryogenesis via Extra-Flat directions of the MSSM
• Kinetic approach to electroweak baryogenesis
• Early Universe Cosmology, Effective Supergravity, and Invariants of Algebraic Forms
• Dark Matter and Electroweak Baryogenesis with Spontaneous $CP$ Violation in the Early Universe
• Exploring the Landscape of Spontaneous CP Violation in Supersymmetric Theories
• Revisiting Q-ball Interactions with Matters
• Probing low scale leptogenesis through gravitational wave
• Probing baryogenesis with gravitational waves
• Supersymmetric flat directions and resonant gravitino production
• Thermal Inflation with Flaton Chemical Potential
• Revisiting Affleck-Dine Leptogenesis with light sleptons
• Quasiparticles in Leptogenesis - A hard-thermal-loop study
• Quantum Mechanical Fluctuations at the End of Inflation
• Unified origin for visible and dark matter in a baryon-symmetric universe from a first-order phase transition
• Q-balls in K-field theory
• Squeezed States and Affleck Dine Baryogenesis
• Baryogenesis in Brans-Dicke theory
• Chaotic Inflation from the MSSM Along Flat $D$-Term Trajectory
• Non-Thermal Production of Sexaquark Dark Matter
• Oscillating Affleck-Dine condensate and its cosmological implications
• Affleck-Dine leptogenesis and its backreaction to inflaton dynamics
• Constraints on Hybrid Inflation from Flat Directions in Supersymmetry
• Supersymmetry in the Very Early Universe
• Formation and Search of Large Scale Antimatter Regions
• Charge distribution of the gauge-mediation type Q ball
• Correlation length of the angular mode for an approximate $U(1)$ symmetry during inflation
• Influence on Starobinsky inflation by other fields with large amplitude
• Disappearing Inflaton Potential via Heavy Field Dynamics
• Parametric Coincidence in the Baryon to Dark Matter Ratio from Affleck-Dine Baryogenesis and UV Freeze-in Dark Matter
• Progress in weakly coupled string phenomenology
• Kination cosmology from scalar fields and gravitational-wave signatures
• A Faster Growth of Perturbations in an Early Matter Dominated Epoch: Primordial Black Holes and Gravitational Waves
• Cosmological aspects of gauge mediated supersymmetry breakdown
• Q-balls constructed of spinors in Lagrangians with SU(2) symmetry