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Flat Higgs Potential from Planck Scale Supersymmetry Breaking
The observed Higgs boson mass poses a new puzzle in addition to the
longstanding problem of the origin of the electroweak scale; the shallowness of
the Higgs potential. The Higgs quartic coupling even seems to vanish at around
the Planck scale within the uncertainties of the top quark mass and the strong
gauge coupling. We show that the shallowness of the Higgs potential might be an
outcome of supersymmetry breaking at around the Planck scale. There, the
electroweak fine-tuning in the Higgs quadratic terms leads to an almost
vanishing quartic coupling at around the Planck scale.Comment: 4 pages, 2 figure
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