Solution to the non-perturbative renormalization of gauge theory

Details Solution to the non-perturbative renormalization of gauge theory Solution to the non-perturbative renormalization of gauge theory

2003-12-20

arxiv.org/abs/hep-ph/0312290v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX2e, 8 pages, 3 figures, 0 tables, 24 references

Scientific paper

The long standing problem of a non-perturbative renormalization of a gauge field theoretical Hamiltonian is addressed and explicitly carried out within an (effective) light-cone Hamiltonian approach to QCD. The procedure is in line with the conventional ideas: The Hamiltonian is first regulated by suitable cut-off functions, and subsequently renormalized by suitable counter terms to make it cut-off independent. Emphasized is the considerable freedom in the cut-off function which eventually can modify the Coulomb potential of two charges at sufficiently small distances. The approach provides new physical insight into the nature of gauge theory and the potential energy of QCD and QED at short distance.

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