Supersymmetry and the Lorentz Fine Tuning Problem

Details Supersymmetry and the Lorentz Fine Tuning Problem Supersymmetry and the Lorentz Fine Tuning Problem

2005-02-11

arxiv.org/abs/hep-ph/0502106v2

Phys.Lett. B621 (2005) 213-218

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 1 figure

Scientific paper

10.1016/j.physletb.2005.06.055

If physics at the Planck scale requires new conceptions of space-time, then generic renormalizable field theories predict observable violations of Lorentz invariance in the low energy sector. The little recognized ``Lorentz Fine Tuning Problem'' comes from logarithmic loop corrections which are not suppressed to the enormous extent commonly assumed. Fine-tuning of parameters at the Planck scale is one possible but unpalatable solution. Here we show that violation of Lorentz invariance is highly suppressed in a supersymmetric theory, the Wess-Zumino model. We conjecture that supersymmetry may be further motivated by yet another fine tuning problem of ordinary quantum field theories.

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