Abstract
We consider the effect that wormholes can have on some low energy physical quantities, such as masses. We extract this information by computing the 1-loop effective action in the dominant, zero-cosmological constant, spherical space-time, when there are scalar, fermionic and vector degrees of freedom. The application of Coleman's big fix leads to some interesting bounds for particle masses. In particular, we find that well established phenomenological constraints such as m scalar 2 > m fermion 2, can be naturally supported within this framework, albeit for certain parameter ranges. We also offer some considerations about spontaneous symmetry breaking.
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