An Explicit Embedding of Gravity and the Standard Model in E8

  title={An Explicit Embedding of Gravity and the Standard Model in E8},
  author={A. Lisi},
  journal={arXiv: General Relativity and Quantum Cosmology},
  • A. Lisi
  • Published 2010
  • Physics
  • arXiv: General Relativity and Quantum Cosmology
  • The algebraic elements of gravitational and Standard Model gauge fields acting on a generation of fermions may be represented using real matrices. These elements match a subalgebra of spin(11,3) acting on a Majorana-Weyl spinor, consistent with GraviGUT unification. This entire structure embeds in the quaternionic real form of the largest exceptional Lie algebra, E8. These embeddings are presented explicitly and their implications discussed. 
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