Operator product expansion and non-perturbative renormalization

Details Operator product expansion and non-perturbative renormalization Operator product expansion and non-perturbative renormalization

1998-09-15

arxiv.org/abs/hep-lat/9809100v1

Nucl.Phys.Proc.Suppl. 73 (1999) 273-275

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(matrixelement), uses espcrc2 and epsfig, 3 pages, 2 eps figures

Scientific paper

10.1016/S0920-5632(99)85045-2

It has been recently proposed to use the operator product expansion to
evaluate the expectation values of renormalized operators without the need of a
direct computation of the relevant renormalization constants. We test the
viability of this idea in the two-dimensional non-linear sigma-model discussing
the non-perturbative renormalization of the energy-momentum tensor.

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