Renormalization group flow and parallel transport with non-metric compatible connections

Details Renormalization group flow and parallel transport with non-metric compatible connections Renormalization group flow and parallel transport with non-metric compatible connections

1999-04-16

arxiv.org/abs/hep-th/9904119v1

Phys.Lett. B460 (1999) 302-306

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, Latex

Scientific paper

10.1016/S0370-2693(99)00792-3

A family of connections on the space of couplings for a renormalizable field theory is defined. The connections are obtained from a Levi-Civita connection, for a metric which is a generalisation of the Zamolodchikov metric in two dimensions, by adding a family of tensors which are solutions of the renormalization group equation for the operator product expansion co-efficients. The connections are torsion free, but not metric compatible in general. The renormalization group flows of N=2 supersymmetric Yang-Mills theory in four dimensions and the O(N)-model in three dimensions, in the large $N$ limit, are analysed in terms of parallel transport under these connections.

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