Two Loop Renormalization Group Equations in a General Quantum Field Theory. 1. Wave Function Renormalization

Jan, 1983
21 pages
Published in:
  • Nucl.Phys.B 222 (1983) 83-103
  • Published: 1983
Report number:
  • NUB-2590,
  • HUTP-83/A003

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Abstract: (Elsevier)
The two-loop renormalization group equations in a general renormalizable field theory with scalar, spin - 1 2 , and (vector) gauge fields are considered. In this paper, the anomalous dimensions associated with the wave function renormalizations of the fields are computed in a general R ξ gauge. The wave function renormalization of the gauge field in background field gauge, and hence the two-loop β function for the gauge coupling, are also evaluated.
  • RENORMALIZATION GROUP: BETA FUNCTION
  • GAUGE FIELD THEORY: BACKGROUND GAUGE
  • RENORMALIZATION: WAVE FUNCTION
  • PERTURBATION THEORY: HIGHER-ORDER
  • COUPLING CONSTANT
  • GAUGE FIELD THEORY: SU(3) X SU(2) X U(1)
  • COUPLING: YUKAWA
  • YUKAWA: COUPLING
  • FERMION: FIELD THEORY
  • FEYNMAN GRAPH