EPJ Web Conf.
Volume 274, 2022XVth Quark Confinement and the Hadron Spectrum Conference (ConfXV)
|Number of page(s)
|4 - Parallel Track C
|22 December 2022
QCD static force in gradient flow
Physik Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
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Published online: 22 December 2022
We review our recent study on the QCD static force using gradient flow at next-to-leading order in the strong coupling. The QCD static force has the advantage of being free of the O(ΛQCD) renormalon appearing in the static potential but suffers from poor convergence in the lattice QCD computations. It is expected that the gradient flow formalism can improve the convergence. Based on our next-to-leading-order calculations, we explore the properties of the static force for arbitrary flow time t, as well as in the limit t → 0, which may be useful for lattice QCD simulations.
© The Authors, published by EDP Sciences, 2022
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