Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
The gradient flow at higher orders in perturbation theory
R. Harlander
Full text: pdf
Pre-published on: May 16, 2022
Published on: July 08, 2022
Abstract
Various results for higher-order perturbative calculations in
the gradient-flow formalism are reviewed, including the gradient-flow beta function and the small-flow-time expansion of the hadronic vacuum polarization and the energy-momentum tensor. In addition, the strategy of regions is outlined in order to obtain systematic expansions of gradient-flow integrals, for example at large and small flow times.
DOI: https://doi.org/10.22323/1.396.0489
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