GUTs on Compact Type IIB Orientifolds

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We systematically analyze globally consistent SU(5) GUT models on intersecting D7-branes in genuine Calabi-Yau orientifolds with O3- and O7-planes. Beyond the well-known tadpole and K-theory cancellation conditions there exist a number of additional subtle but quite restrictive constraints. For the realization of SU(5) GUTs with gauge symmetry breaking via U(1)Y flux we present two classes of suitable Calabi-Yau manifolds defined via del Pezzo transitions of the elliptically fibred hypersurface P{sub 1,1,1,6,9}[18] and of the Quintic P{sub 1,1,1,1,1}[5], respectively. To define an orientifold projection we classify all involutions on del Pezzo surfaces. We work out the model building prospects of these ... continued below

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128 pages

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Blumenhagen, Ralph; /Munich, Max Planck Inst.; Braun, Volker; Inst., /Dublin; Grimm, Thomas W.; U., /Bonn et al. December 1, 2008.

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Description

We systematically analyze globally consistent SU(5) GUT models on intersecting D7-branes in genuine Calabi-Yau orientifolds with O3- and O7-planes. Beyond the well-known tadpole and K-theory cancellation conditions there exist a number of additional subtle but quite restrictive constraints. For the realization of SU(5) GUTs with gauge symmetry breaking via U(1)Y flux we present two classes of suitable Calabi-Yau manifolds defined via del Pezzo transitions of the elliptically fibred hypersurface P{sub 1,1,1,6,9}[18] and of the Quintic P{sub 1,1,1,1,1}[5], respectively. To define an orientifold projection we classify all involutions on del Pezzo surfaces. We work out the model building prospects of these geometries and present five globally consistent string GUT models in detail, including a 3-generation SU(5) model with no exotics whatsoever. We also realize other phenomenological features such as the 10 10 5{sub H} Yukawa coupling and comment on the possibility of moduli stabilization, where we find an entire new set of so-called swiss-cheese type Calabi-Yau manifolds. It is expected that both the general constrained structure and the concrete models lift to F-theory vacua on compact Calabi-Yau fourfolds.

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128 pages

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  • Report No.: SLAC-PUB-13466
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/943484 | External Link
  • Office of Scientific & Technical Information Report Number: 943484
  • Archival Resource Key: ark:/67531/metadc896482

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  • December 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 7, 2016, 3:10 p.m.

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Blumenhagen, Ralph; /Munich, Max Planck Inst.; Braun, Volker; Inst., /Dublin; Grimm, Thomas W.; U., /Bonn et al. GUTs on Compact Type IIB Orientifolds, report, December 1, 2008; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc896482/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.