SO (10) grand unification in M theory on a G2 manifold

Bobby S. Acharya, Krzysztof Bozek, Miguel Crispim Romão, Stephen F. King, Chakrit Pongkitivanichkul

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We consider grand unified theories based on SO(10) which originate from string/M theory on G2 manifolds or Calabi-Yau spaces with discrete symmetries. In this framework we are naturally led to a novel solution of the doublet-triplet splitting problem previously considered by Dvali which involves an extra vectorlike Standard Model family and light but weakly coupled color triplets. These additional states are predicted to be accessible at the LHC and also induce R-parity violation. Gauge coupling unification occurs with a larger GUT coupling.

Original languageEnglish
Article number055011
Number of pages6
JournalPhysical Review D (Particles, Fields, Gravitation and Cosmology)
Issue number5
Publication statusPublished - 9 Sept 2015


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