Unfolding Geometric Unification in M-Theory
arXiv:0706.3364
Abstract
By reinterpreting the familiar tools and ideas of M-theory model building, we show how a G2-manifold locally engineered to give rise to massless matter representations of an SU(5) grand unified model can be smoothly unfolded into a G2-manifold giving rise to SU(3)xSU(2) gauge theory with the corresponding matter representations. These ideas could lead to new insights in string phenomenology because much of the arbitrariness of M-theory model building can be removed by supposing, for example, that the singularities giving rise to Standard Model particles could arise from unfolding a more singular, grand unified geometry.
8 pages, 2 figures
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