Quantum Gravity and String Theory


On Generalized Yang-Mills Theories and Extensions of the Standard Model in Clifford (Tensorial) Spaces

Authors: Carlos Castro

We construct the Clifford-space tensorial-gauge fields generalizations of Yang-Mills theories and the Standard Model that allows to predict the existence of new particles (bosons, fermions) and tensor-gauge fields of higher-spins in the 10 Tev regime. We proceed with a detailed discussion of the unique D4 - D5 - E6 - E7 - E8 model of Smith based on the underlying Clifford algebraic structures in D = 8, and which furnishes all the properties of the Standard Model and Gravity in four-dimensions, at low energies. A generalization and extension of Smith's model to the full Clifford-space is presented when we write explictly all the terms of the extended Clifford-space Lagrangian. We conclude by explaining the relevance of multiple-foldings of D = 8 dimensions related to the modulo 8 periodicity of the real Cliford algebras and display the interplay among Clifford, Division, Jordan and Exceptional algebras, within the context of D = 26, 27, 28 dimensions, corresponding to bosonic string, M and F theory, respectively, advanced earlier by Smith. To finalize we describe explicitly how the E8 X E8 Yang-Mills theory can be obtained from a Gauge Theory based on the Clifford ( 16 ) group.

Comments: 31 pages, This article appeared in Annals of Physics vol. 321, no.4 (2006) 813-839.

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Submission history

[v1] 27 Aug 2009

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