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Yukawa unification in heterotic string theory
Univ Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Virginia Tech, Dept Phys, Robeson Hall, Blacksburg, VA 24061 USA..
Univ Oxford, Rudolf Peierls Ctr Theoret Phys, 1 Keble Rd, Oxford OX1 3NP, England..
2016 (English)In: PHYSICAL REVIEW D, ISSN 2470-0010, Vol. 94, no 4, article id 046005Article in journal (Refereed) Published
Abstract [en]

We analyze Yukawa unification in the context of E-8 x E-8 heterotic Calabi-Yau models which rely on breaking to a grand unified theory (GUT) via a nontlat gauge bundle and subsequent Wilson line breaking to the standard model. Our focus is on underlying GUT theories with gauge group SU(5) or SO(10). We provide a detailed analysis of the fact that, in contrast to traditional field theory GUTs, the underlying GUT symmetry of these models does not enforce Yukawa unification. Using this formalism, we present various scenarios where Yukawa unification can occur as a consequence of additional symmetries. These additional symmetries arise naturally in some heterotic constructions, and we present an explicit heterotic line bundle model which realizes one of these scenarios.

Place, publisher, year, edition, pages
2016. Vol. 94, no 4, article id 046005
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-307444DOI: 10.1103/PhysRevD.94.046005ISI: 000381415600007OAI: oai:DiVA.org:uu-307444DiVA: diva2:1047250
Available from: 2016-11-17 Created: 2016-11-16 Last updated: 2016-11-17Bibliographically approved

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