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The $β$-function for Yukawa theory at large $N_f$
Published 18 Jun 2018 in hep-ph and hep-th | (1806.06954v3)
Abstract: We compute the $\beta$-function for a massless Yukawa theory in a closed form at the order $\mathcal{O}(1/N_f)$ in the spirit of the expansion in a large number of flavours $N_f$. We find an analytic expression with a finite radius of convergence, and the first singularity occurs at the coupling value $K=5$.
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