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

Abstract : 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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Submitted on : Friday, December 17, 2004 - 11:27:38 AM
Last modification on : Tuesday, April 20, 2021 - 12:00:07 PM
Long-term archiving on: : Thursday, April 1, 2010 - 4:09:24 PM

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Jean-Francois Mathiot. Renormalized non-perturbative scalar and fermions models in Covariant Light Front Dynamics. LightCone 2004, Aug 2004, Amsterdam, Netherlands. pp.173-176, ⟨10.1007/s00601-004-0096-5⟩. ⟨in2p3-00023475⟩

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