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The quantum vacuum of the minimal SO(10) GUT
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Theoretical Particle Physics.
2010 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 259, no 1, 012098- p.Article in journal (Refereed) Published
Abstract [en]

We reexamine the longstanding no-go excluding all potentially viable SO(10) →SU(3)c⊗ SU(2)L ⊗ U(1)Y symmetry breaking patterns within the minimal renormalizable non-supersymmetric SO(10) GUT framework featuring the 45-dimensional adjoint representation in the Higgs sector. A simple symmetry argument indicates that quantum effects do change the vacuum structure of the model dramatically. A thorough analysis of the one-loop effective potential reveals that the phenomenologically favoured symmetry breaking chains passing through the SU(4)C ⊗ SU(2)L ⊗ U(1)R or SU(3)c ⊗ SU(2)L ⊗ SU(2)R ⊗ U(1)B-L intermediate stages are, indeed, supported at the quantum level. This brings the class of minimal non-supersymmetric SO(10) GUTs back from oblivion, providing a new ground for a potentially realistic model building.

Place, publisher, year, edition, pages
2010. Vol. 259, no 1, 012098- p.
Keyword [en]
Adjoint representation, Effective potentials, Intermediate stage, Quantum effects, Quantum levels, Quantum vacuum, Realistic model, Symmetry-breaking, Vacuum structures, Quantum electronics, Vacuum
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-150039DOI: 10.1088/1742-6596/259/1/012098ISI: 000295090000098Scopus ID: 2-s2.0-79952374389OAI: oai:DiVA.org:kth-150039DiVA: diva2:743502
Conference
16th International Symposium on Particles, Strings and Cosmology, PASCOS 2010; Valencia; Spain; 19 July 2010 through 23 July 2010
Note

QC 20140904

Available from: 2014-09-04 Created: 2014-08-29 Last updated: 2017-12-05Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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