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arxiv: 0909.4537 · v2 · submitted 2009-09-25 · ✦ hep-th · gr-qc· hep-ph

Chirality in unified theories of gravity

classification ✦ hep-th gr-qchep-ph
keywords actiongroupbrokenchiralchiralitycontainscorrectfamily
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We show how to obtain a single chiral family of an SO(10) GUT, starting from a Majorana-Weyl representation of a unifying ("GraviGUT") group SO(3,11), which contains the gravitational Lorentz group SO(3,1). An action is proposed, which reduces to the correct fermionic GUT action in the broken phase.

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