Improved renormalization scheme for nonlocal operators

In this paper we present an improved regularization-independent (RI)-type prescription appropriate for the nonperturbative renormalization of gauge-invariant nonlocal operators. In this prescription, the nonperturbative vertex function is improved by subtracting unwanted finite lattice spacing (a) e...

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Veröffentlicht in:	Physical review. D 2023-01, Vol.107 (1), Article 014503
Hauptverfasser:	Constantinou, Martha, Panagopoulos, Haralambos
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy & Astrophysics Lattice QCD NUCLEAR PHYSICS AND RADIATION PHYSICS Physics
Online-Zugang:	Volltext
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