Grand Unified Brane World Scenario
arXiv:1703.00351 · doi:10.1103/PhysRevD.96.115033
Abstract
We present a field theoretical model unifying grand unified theory (GUT) and brane world scenario. As a concrete example, we consider GUT in 4+1 dimensions where our 3+1 dimensional spacetime spontaneously arises on five domain walls. A field-dependent gauge kinetic term is used to localize massless non-Abelian gauge fields on the domain walls and to assure the charge universality of matter fields. We find the domain walls with the symmetry breaking as a global minimum and all the undesirable moduli are stabilized with the mass scale of . Profiles of massless Standard Model particles are determined as a consequence of wall dynamics. The proton decay can be exponentially suppressed.
8 pages, 3 figures, Sections for introduction and conclusion are revised, references are added
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