GUT baryogenesis after preheating

Kolb, Edward W.; Linde, Andrei D.; Riotto, Antonio

doi:10.1103/PhysRevLett.77.4290

GUT baryogenesis after preheating

Edward W. Kolb
(
- Fermilab and
- Chicago U., EFI
)
,
Andrei D. Linde
(
- Stanford U., Phys. Dept.
)
,
Antonio Riotto
(
- Fermilab
)

Jun, 1996

4 pages

Published in:

Phys.Rev.Lett. 77 (1996) 4290-4293

e-Print:

hep-ph/9606260 [hep-ph]

DOI:

10.1103/PhysRevLett.77.4290

Report number:

FERMILAB-PUB-96-133-A,
SU-ITP-96-22

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Abstract:

At the end of inflation the universe is frozen in a near zero-entropy state with energy density in a coherent scalar field, and must be "defrosted" to produce the observed entropy and baryon number. We propose that the baryon asymmetry is produced during an intermediate stage of preheating of the universe by the non-thermal production and decay of supermassive Grand Unified Theory (GUT) bosons. We show that baryogenesis is natural for an inflaton masses of order

10~{13}

GeV and a GUT Higgs boson mass of order

10~{14}

GeV, thus solving many drawbacks GUT baryogenesis had to face in the old reheating scenario.

inflation
baryon: asymmetry
baryon: production
production: baryon
grand unified theory
entropy
numerical calculations

References(24)

Figures(0)

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GUT baryogenesis after preheating

Citations per year

A New Inflationary Universe Scenario: A Possible Solution of the Horizon, Flatness, Homogeneity, Isotropy and Primordial Monopole Problems

Cosmology for Grand Unified Theories with Radiatively Induced Symmetry Breaking

Chaotic Inflation

Baryon Asymmetry in Inflationary Universe

Particle Production in the New Inflationary Cosmology

Cosmological Gravitino Regeneration and Decay

Gravitino production in the inflationary universe and the effects on big bang nucleosynthesis

On the Anomalous Electroweak Baryon Number Nonconservation in the Early Universe

Baryon Number Generation in the Early Universe

Evolution of Cosmological Baryon Asymmetries

Mechanisms for Cosmological Baryon Production

Calculation of Cosmological Baryon Asymmetry in Grand Unified Gauge Models

Cosmological Amount of Baryons

Reheating after inflation

Universe reheating after inflation

Dissipation via particle production in scalar field theories

Classical decay of inflaton

Nonthermal phase transitions after inflation

Baryogenesis and thermal history after inflation

Violation of CP Invariance, C asymmetry, and baryon asymmetry of the universe

Particle production and gravitino abundance after inflation

The 2-D power spectrum of the las campanas redshift survey: detection of excess power on 100 h^ -1 mpc scales

Nonequilibrium symmetry restoration beyond one loop