Approximate Lorentz invariance of the vacuum: a physical solution of the `hierarchy problem' ?

Details Approximate Lorentz invariance of the vacuum: a physical solution of the `hierarchy problem' ? Approximate Lorentz invariance of the vacuum: a physical solution of the `hierarchy problem' ?

2003-06-09

arxiv.org/abs/hep-ph/0306070v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, 45 pages, no figures

Scientific paper

In the `condensed phase' of effective quantum field theories one expects deviations from exact Lorentz invariance at ultralow momenta | k| < delta where the shell 'delta' should only vanish in the strict local limit of the theory when the ultraviolet cutoff 'Lambda' tends to infinity. I explore this idea for the Higgs condensate suggesting that, in this case, the resulting relation connecting 'delta', 'Lambda' and the Fermi scale might provide a simple physical solution of the `hierarchy problem'. In this picture, the Planck scale is not a purely ultraviolet quantity but embodies in its numerical value the peculiar infrared-ultraviolet connection that is realized in the scalar condensate.

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