Minimalism in inflation model building

Gia Dvali, Antonio Riotto

    Research output: Contribution to journalArticle

    Abstract

    In this paper we demand that a successful inflationary scenario should follow from a model entirely motivated by particle physics considerations. We show that such a connection is indeed possible within the framework of concrete supersymmetric Grand Unified Theories where the doublet-triplet splitting problem is naturally solved. The Fayet-Iliopoulos D-term of a gauge U(1)ξ symmetry, which plays a crucial role in the solution of the doublet-triplet splitting problem, simultaneously provides a built-in inflationary slope protected from dangerous supergravity corrections.

    Original languageEnglish (US)
    Pages (from-to)20-26
    Number of pages7
    JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume417
    Issue number1-2
    StatePublished - Jan 15 1998

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    grand unified theory
    supergravity
    slopes
    physics
    symmetry

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Minimalism in inflation model building. / Dvali, Gia; Riotto, Antonio.

    In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 417, No. 1-2, 15.01.1998, p. 20-26.

    Research output: Contribution to journalArticle

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