The Global Minimum in Higgs Potentials
O. Nachtmann, M. Maniatis
Seminar Heidelberg, 2012
M. Maniatis (University of Bielefeld) The Global Minimum in Higgs Potentials 2012 1 / 1
Outline
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Motivation for SUSY
Use itemize a lot.
Use very short sentences or short phrases.
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Naturalness Problem
Quantum corrections to the Higgs-boson mass.
A fermion loop with Lagrangian L = −λ f Hf f
∆m 2 H = 16π |λ
f|
22−2Λ 2 UV + 6m f 2 ln(Λ UV /m f ) + . . .
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Introduction SUSY
Possible forms of such symmetries restricted by Haag-Lopuszanski-Sohnius extension of
Coleman-Mandula theorem.
Coleman, Mandula, 1967; Haag, Lopuszanski, Sohnius, 1975 {Q, Q
†} = P
µ{Q, Q} = {Q
†, Q
†} = 0 [P
µ, Q] =
P
µ, Q
†= 0
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