The Background Field Method and the Ultraviolet Structure of the Supersymmetric Nonlinear Sigma Model
Jan, 1981
50 pages
Published in:
- Annals Phys. 134 (1981) 85
Report number:
- Print-81-0045 (MIT)
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Abstract: (Elsevier)
Calculations of the ultraviolet counterterms of the bosonic and supersymmetric nonlinear σ-models in two space-time dimensions are undertaken in order to verify conclusions of a recent argument based on differential geometry in the supersymmetric case. The background field method and the normal coordinate expansion are discussed in detail, and the generalized renormalization group pole equations applicable to the nonlinear σ-model are derived. Both component and superfield calculations of the counterterms are presented.- FIELD THEORETICAL MODEL: SIGMA
- SUPERSYMMETRY
- FIELD THEORY: NONLINEAR
- FIELD THEORY: TWO-DIMENSIONAL
- RENORMALIZATION: REGULARIZATION
- RENORMALIZATION GROUP
- GAUGE FIELD THEORY: BACKGROUND GAUGE
- PERTURBATION THEORY: FEYNMAN GRAPH
- MODEL: OFF-SHELL
- FIELD THEORY: SPACE-TIME
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