Higher order RG flow on the Wilson line in N $$ \mathcal{N} $$ = 4 SYM

  title={Higher order RG flow on the Wilson line in 
 \$\$ \mathcal\{N\} \$\$
 = 4 SYM},
  author={Matteo Beccaria and Simone Giombi and Arkady A. Tseytlin},
  journal={Journal of High Energy Physics},
Extending earlier work, we find the two-loop term in the beta-function for the scalar coupling ζ in a generalized Wilson loop operator of the N $$ \mathcal{N} $$ = 4 SYM theory, working in the planar weak-coupling expansion. The beta-function for ζ has fixed points at ζ = ±1 and ζ = 0, corresponding respectively to the supersymmetric Wilson-Maldacena loop and to the standard Wilson loop without scalar coupling. As a consequence of our result for the beta-function, we obtain a prediction for the… 


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