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GUT Baryogenesis after Preheating

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arxiv hep-ph/9606260 v2 pith:X4QNFGW5 submitted 1996-06-07 hep-ph astro-ph

Edward W. Kolb , Andrei Linde , Antonio Riotto This is my paper · ORCID
classification hep-phastro-ph
keywords baryogenesisbaryoninflationorderpreheatingasymmetrybosonbosons
verification ladder T0 review T1 audit T2 compute T3 formal
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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 generated by the decay of supermassive Grand Unified Theory (GUT) bosons produced non-thermally in a preheating phase after inflation. We show that baryogenesis is possible for an inflaton masses of order 10^{13} GeV and a GUT Higgs boson mass of order 10^{14} GeV, thus solving many drawbacks facing GUT baryogenesis in the old reheating scenario.

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Cited by 5 Pith papers

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