Destabilizing Divergences in Supergravity Theories

Details Destabilizing Divergences in Supergravity Theories Destabilizing Divergences in Supergravity Theories

1995-11-02

arxiv.org/abs/hep-ph/9511213v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited Talk presented at SUSY-95, Ecole Polytechnique, Palaiseau, France, 15-19 May 1995

Scientific paper

We study the stability of the gauge hierarchy in hidden-sector supergravity theories. We show that a destabilizing tadpole can appear if a theory has a gauge- and global-symmetry singlet with renormalizable couplings to the visible fields. We also find a quadratically divergent two-loop contribution to the supersymmetric effective potential. This term illustrates the difficulty of using the "LHC mechanism" to control quadratic divergences in theories with Planck-scale vevs.

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