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Hard-soft renormalization of the massless Wess-Zumino model | | M. Pernici
; M. Raciti
; F. Riva
; | | Date: |
15 May 1998 | | Journal: | Phys.Lett. B440 (1998) 305-312 | | Subject: | hep-th | | Abstract: | We show that in a Wilsonian renormalization scheme with zero-momentum subtraction point the massless Wess-Zumino model satisfies the non-renormalization theorem; the finite renormalization of the superpotential appearing in the usual non-zero momentum subtraction schemes is thus avoided. We give an exact expression of the beta and gamma functions in terms of the Wilsonian effective action; we prove the expected relation $eta = 3ggamma$. We compute the beta function at the first two loops, finding agreement with previous results. | | Source: | arXiv, hep-th/9805092 | | Services: | Forum | Review | PDF | Favorites | |
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