Abstract
Abstract
We compute the β-function for a massless Yukawa theory in a closed form at the order
$$ \mathcal{O}\left(1/{N}_f\right) $$
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 = 3.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
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