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A fermion in a chiral spin representation.
A key feature of the standard model of particle physics is that its fermions are chiral, in that the left and right Weyl spinor-components of the would-be Dirac spinor-representation of the quarks, electrons and neutrinos couple differently to the gauge fields (for review see e.g. Ibanez-Uranga 12, section 1.1).
Possible realization of chiral fermions in string phenomenology is given by intersecting D-brane models (here) lifting to M-theory on G2-manifolds (here) at ADE-singularities
Last revised on September 3, 2018 at 15:02:28. See the history of this page for a list of all contributions to it.