The effective interactions of chiral families in four-dimensional superstrings

S. Ferrara, L. Girardello, C. Kounnas, M. Porrati

    Research output: Contribution to journalArticle

    Abstract

    The low-energy effective interactions in four-dimensional superstrings with N = 2 and N = 1 space-time supersymmetry and massless twisted (family) sector are obtained. Our results rely on some general symmetry properties of superstring particle states and on tensor-calculus techniques for supergravity couplings. The novel feature is that the N = 2 quaternionic manifold and N = 1 Kähler space of the scalar superpartners of family multiplets are non-symmetric spaces whose structure can be obtained by "integrating out" the massive superstring modes.

    Original languageEnglish (US)
    Pages (from-to)358-365
    Number of pages8
    JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume194
    Issue number3
    DOIs
    StatePublished - Aug 13 1987

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    interactions
    calculus
    supergravity
    supersymmetry
    sectors
    fine structure
    tensors
    scalars
    symmetry
    energy

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    The effective interactions of chiral families in four-dimensional superstrings. / Ferrara, S.; Girardello, L.; Kounnas, C.; Porrati, M.

    In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 194, No. 3, 13.08.1987, p. 358-365.

    Research output: Contribution to journalArticle

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