Supergravity Resolution of the Unification to Planck Scale Hierarchy

Details Supergravity Resolution of the Unification to Planck Scale Hierarchy Supergravity Resolution of the Unification to Planck Scale Hierarchy

1998-05-06

arxiv.org/abs/hep-ph/9805240v1

Phys.Lett. B433 (1998) 323-327

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, LaTeX

Scientific paper

10.1016/S0370-2693(98)00711-4

It is demonstrated how the hierarchy between the gauge coupling unification scale of minimal supersymmetry and the Planck (or string) scale, which resembles in order of magnitude a loop factor, can actually be explained as such in supergravity-coupled supersymmetry. A gauge and global singlet field acquires a linear potential term due to its one-loop supergravity interactions and slides to the desired scale. The singlet field can then provide the seed for the breaking of the unified theory at the appropriate scale via its couplings to fields in the adjoint representation.

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