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Baryogenesis after Hyperextended Inflation

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arxiv hep-ph/0412020 v1 pith:CZATZH45 submitted 2004-12-01 hep-ph

Baryogenesis after Hyperextended Inflation

classification hep-ph
keywords baryogenesishyperextendedinflationconservedconsiderconstraintscontextcosmological
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study a baryogenesis mechanism operating in the context of hyperextended inflation and making use of a coupling between the scalar field and a standard model global current, such as B or B-L. The method is efficient at temperatures at which these currents are not conserved due to some higher dimensional operator. The particle physics and cosmological phenomenology are discussed. We consider constraints stemming from nucleosynthesis and solar system experiments.

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Cited by 1 Pith paper

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  1. Gravitational baryogenesis beyond the spectator approximation

    gr-qc 2026-03 unverdicted novelty 7.0

    Treating the baryogenesis operator as part of the action yields modified Friedmann and Raychaudhuri equations with an effective Planck mass M_eff² = M_Pl² - 2λ ∇_μ J^μ for the vector-density realization of the current.