Constructing a c-function for SUSY Gauge Theories

Details Constructing a c-function for SUSY Gauge Theories Constructing a c-function for SUSY Gauge Theories

1998-04-15

arxiv.org/abs/hep-th/9804101v1

Phys.Lett.B432:353-360,1998

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 1 figure, uses harvmac and epsf

Scientific paper

10.1016/S0370-2693(98)00649-2

Recently a non-perturbative formula for the RG flow between UV and IR fixed points of the coefficient in the trace of the energy momentum tensor of the Euler density has been obtained for N=1 SUSY gauge theories by relating the trace and R-current anomalies. This result is compared here with an earlier perturbation theory analysis based on a naturally defined metric on the space of couplings for general renormalisable quantum field theories. This approach is specialised to N=1 supersymmetric theories and extended, using consistency arguments, to obtain the Euler coefficient at fixed points to 4-loops. The result agrees completely, to this order, with the exact formula.

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