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RG Flow Irreversibility, C-Theorem and Topological Nature of 4D N=2 SYM | | G. Bonelli
; M. Matone
; | | Date: |
2 Dec 1997 | | Journal: | Phys.Rev. D58 (1998) 045006 | | Subject: | hep-th cond-mat gr-qc hep-ph | | Abstract: | We determine the exact beta function and a RG flow Lyapunov function for N=2 SYM with gauge group SU(n). It turns out that the classical discriminants of the Seiberg-Witten curves determine the RG potential. The radial irreversibility of the RG flow in the SU(2) case and the non-perturbative identity relating the $u$-modulus and the superconformal anomaly, indicate the existence of a four dimensional analogue of the c-theorem for N=2 SYM which we formulate for the full SU(n) theory. Our investigation provides further evidence of the essentially topological nature of the theory. | | Source: | arXiv, hep-th/9712025 | | Services: | Forum | Review | PDF | Favorites | |
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