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  • Global F-theory models: instantons and gauge dynamics
    Cvetič, Mirjam ; Garcia-Etxebarria, Inaki ; Halverson, James
    We present and analyze in detail a compact F-theory GUT model in which D-brane instantons generate the top Yukawa coupling non-perturbatively. We elucidate certain aspects of F-theory gauge dynamics ... which are absent in the Type IIB limit, due to quantum splitting of certain brane stacks. Finally, we provide a working implementation of an algorithm for computing cohomology of line bundles on arbitrary toric varieties. This should be of general use for studying the physics of global Type IIB and F-theory models, in particular for the explicit counting of zero modes for rigid F-theory instantons which contribute to charged matter couplings.
    Vir: The Journal of high energy physics. - ISSN 1126-6708 (art. no. 73, no. 1, 2011, p. 1-23)
    Vrsta gradiva - članek, sestavni del
    Leto - 2011
    Jezik - angleški
    COBISS.SI-ID - 66895617
    DOI

vir: The Journal of high energy physics. - ISSN 1126-6708 (art. no. 73, no. 1, 2011, p. 1-23)

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