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Dyson-Schwinger Equations: An Instrument for Hadron Physics

A. Krassnigg·C. D. Roberts
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Abstract

Dyson-Schwinger equations furnish a Poincare' covariant approach to hadron physics. They reveal that dynamical chiral symmetry breaking is tied to the long-range behaviour of the strong interaction and make predictions corroborated by modern lattice-QCD simulations. A hallmark in the contemporary use of DSEs is the existence of a nonperturbative, symmetry preserving truncation that enables the proof of exact results. The systematic error associated with the truncation's leading term has been quantified and this underpins an efficacious one-parameter model that is being employed to study meson excited states.

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A. Krassnigg, C. D. Roberts. 2003-09-10. Dyson-Schwinger Equations: An Instrument for Hadron Physics. https://doi.org/10.1016/j.nuclphysa.2004.03.039

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