Phantom field fluctuation induced Higgs effect

limit for the ground state of a system consisting of a Lorentz-scalar, N component ``phantom'' field and an O(N) singlet. The most general form of O(N) x Z_2 invariant quartic interaction is considered. The non-perturbatively renormalised solution demonstrates the possibility for Z_2 symmetry breaking induced by phantom fluctuations. It becomes also evident that the strength of the ``internal'' dynamics of the N-component field tunes away the ratio of the Higgs condensate and the Higgs mass from its perturbative (nearly tree-level) expression.

12.38.Cy
11.10.Gh
11.10.Wx
Higgs mass
Phantom field
Dyson-Schwinger equations
Large N approximation
Dyson–Schwinger equations
gauge field theory: SU(2)
symmetry: O(N)

References(11)

Figures(0)

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