Localizaion of nonlocal Lagrangians and mass generation for non-abelian gauge fields

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Abstract

We introduce and study the four-dimensional analogue of a mass generation mechanism for non-Abelian gauge fields suggested in the paper, Phys. Lett. B 403, 297 (1997), in the case of three-dimensional space–time. The construction of the corresponding quantized theory is based on the fact that some nonlocal actions may generate local expressions for Green functions. An example of such a theory is the ordinary Yang–Mills field where the contribution of the Faddeev–Popov determinant to the Green functions can be made local by introducing additional ghost fields. We show that the quantized Hamiltonian for our theory unitarily acts in a Hilbert space of states and prove that the theory is renormalizable to all orders of perturbation theory. One-loop coupling constant and mass renormalizations are also calculated.
Original languageEnglish
Pages (from-to)4289-4313
Number of pages25
JournalInternational Journal of Modern Physics A
Volume23
Issue number26
DOIs
Publication statusPublished - 20 Oct 2008

Keywords

  • Yang–Mills field
  • mass generation

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