Towards the QED beta function and renormalons at 1=N2f and 1=N3
(2020)
Journal Article
Dondi, N. A., Dunne, G. V., Reichert, M., & Sannino, F. (2020). Towards the QED beta function and renormalons at 1=N2f and 1=N3. Physical Review D, 102(3), Article 035005. https://doi.org/10.1103/physrevd.102.035005
We determine the 1=N2 f and 1=N3 f contributions to the QED beta function stemming from the closed set of nested diagrams. At the order of 1=N2 f, we discover a new logarithmic branch cut closer to the origin when compared to the 1=Nf results. The sa... Read More about Towards the QED beta function and renormalons at 1=N2f and 1=N3.