Renormalized non-perturbative scalar and fermions models in Covariant Light Front Dynamics

Details Renormalized non-perturbative scalar and fermions models in Covariant Light Front Dynamics Renormalized non-perturbative scalar and fermions models in Covariant Light Front Dynamics

2004-12-17

arxiv.org/abs/hep-th/0412199v1

Few Body Syst. 36 (2005) 173-176

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1007/s00601-004-0096-5

Within the framework of the Covariant formulation of Light-Front Dynamics, we develop a general non-perturbative renormalization scheme, based on the Fock decomposition of the state vector and its truncation. The explicit dependence of our formalism on the orientation of the light front, defined by a light-like four vector $\omega$, is essential in order to analyze the structure of the counterterms needed to renormalize the theory. We illustrate our framework for scalar and fermion models

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