出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：We consider a chirally invariant lattice Higgs-Yukawa model based on the Neuberger overlap operator
D(ov). As a first step towards the eventual determination of Higgs mass bounds we present
the phase structure of the model analytically in the large Nf -limit in the physically interesting
region of the Yukawa coupling constant. We confront the analytically obtained phase diagram
with corresponding HMC-simulations and find an excellent agreement at large values of Nf . In
the opposite case the large Nf computation still gives a good qualitative description of the phase
diagram. We also present first and very preliminary results on the Higgs upper bound at one
selected cut-off L.
