Two loop results from the derivative expansion of the blocked action

Details Two loop results from the derivative expansion of the blocked action Two loop results from the derivative expansion of the blocked action

1997-12-04

arxiv.org/abs/hep-th/9712038v1

Phys.Rev. D57 (1998) 7383-7387

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, RevTeX, no figures

Scientific paper

10.1103/PhysRevD.57.7383

A derivative expansion of the Wegner-Houghton equation is derived for a scalar theory. The corresponding full non-perturbative renormalization group equations for the potential and the wave-function renormalization function are presented. We also show that the two loop perturbative anomalous dimension for the O(N) theory can be obtained by means of a polynomial truncation in the field dependence in our equations.

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