Anomalous dimensions of tensor fields of arbitrary rank for critical nonlinear O(N) sigma models at 2 < d < 4 to first order in 1/N

Nov, 1990
12 pages
Published in:
  • Z.Phys.C 51 (1991) 127-132
Report number:
  • PRINT-90-0737 (KAISERSLAUTERN)

Citations per year

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Abstract: (Springer)
We reduce 2L-point functions of vector fields into two-point functions of tensor fields by multiply applying operator product expansions. Anomalous dimensions are computed for irreducible tensor fields with Young frames of two rows andL blocks.L is arbitrary.
  • sigma model: nonlinear
  • symmetry: O(N)
  • dimension: 2-4
  • n-point function
  • operator product expansion
  • expansion 1/N
  • field theory: tensor
  • anomaly