$\lambda {\varphi }^4$ model and Higgs mass in standard model calculated by Gaussian effective potential approach with a new regularization-renormalization method

G. -j. Ni, S. -y Lou, W. -f Lu +1

Basing on new regularization-renormalization method, the $\lambda {\varphi }^4$ model used in standard model is studied both perturbatively and nonperturbatively (by Gaussian effective potential).…