Determining Lines of Constant Physics in the Confinement Phase of the SU(2) Higgs Model

Details Determining Lines of Constant Physics in the Confinement Phase of the SU(2) Higgs Model Determining Lines of Constant Physics in the Confinement Phase of the SU(2) Higgs Model

1999-12-17

arxiv.org/abs/hep-lat/9912031v2

Phys.Lett. B478 (2000) 387-393

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, 4 figures, small changes in the introduction

Scientific paper

10.1016/S0370-2693(00)00269-0

We present a method for finding lines of constant physics in the confinement phase of the SU(2) Higgs model on the lattice. The model is considered at finite values of the cut-off where it behaves like an effective field theory with three independent couplings. In particular, a renormalised quantity sensitive to a variation of the bare Higgs quartic self-coupling is constructed from generalised Binder cumulants. Numerical results for the non-perturbative matching of the bare parameters of the model between beta=2.2 and beta=2.4 are presented.

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