期刊
COMPUTER PHYSICS COMMUNICATIONS
卷 232, 期 -, 页码 1-21出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cpc.2018.05.020
关键词
Dyson-Schwinger approach; Bethe-Salpeter/Faddeev equations; Non-perturbative methods; Hadrons
资金
- Austrian Science Fund, FWF [P29216-N36]
- Helmholtz International Center for FAIR within the LOEWE program of the State of Hesse
- DFG collaborative research centre [TR 16]
- Austrian Science Fund (FWF) [P29216] Funding Source: Austrian Science Fund (FWF)
We review in detail modern numerical methods used in the determination and solution of Bethe-Salpeter and Dyson-Schwinger equations. The algorithms and techniques described are applicable to both the rainbow-ladder truncation and its non-trivial extensions. We discuss pedagogically the steps involved in constructing conventional mesons and baryons as systems of two- and three-quarks respectively. As further application we describe the self-consistent calculation of form-factors and highlight the challenges that remain therein. (C) 2018 Elsevier B.V. All rights reserved.
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