2009/04/20 by A. Hart, Georg von Hippel, G. M. von Hippel +3 · 33 citations
Engineering · Physics and Astronomy · #Automation #Computer science #Engineering #Feynman diagram #Gluon #High-Energy Particle Collisions Research #Lattice (music) #Lattice QCD #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum mechanics #Quark #hep-lat
paper · pdf · doi:10.1016/j.cpc.2009.04.021
published in Computer Physics Communications 180(12), 2698-2716 (Elsevier BV) · Submitted to Computer Physics Communications 40th Anniversary Issue. (40 pages, 2 figures). Source code for programs described is available from the Computer Physics Communications Program Library, http://www.cpc.cs.qub.ac.uk/
arxiv created 2009/04/20 · openalex publication_date 2009/05/05 · arxiv updated 2010/12/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The derivation of the Feynman rules for lattice perturbation theory from actions and operators is complicated, especially for highly improved actions such as HISQ. This task is, however, both important and particularly suitable for automation. We describe a suite of software to generate and evaluate Feynman rules for a wide range of lattice field theories with gluons and (relativistic and/or heavy) quarks. Our programs are capable of dealing with actions as complicated as (m)NRQCD and HISQ. Automated differentiation methods are used to calculate also the derivatives of Feynman diagrams.