Four loop results for the 2D O(n) nonlinear sigma model with 0-loop and 1-loop Symanzik actions

Details Four loop results for the 2D O(n) nonlinear sigma model with 0-loop and 1-loop Symanzik actions Four loop results for the 2D O(n) nonlinear sigma model with 0-loop and 1-loop Symanzik actions

1999-09-03

arxiv.org/abs/hep-lat/9909019v1

Nucl.Phys.Proc.Suppl. 83 (2000) 709-711

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE99(spin models). 3 pages, contains espcrc2.sty file

Scientific paper

We present complete three loop results and preliminary four loop results for
the 2D O(n) nonlinear sigma model with 0-loop and 1-loop Symanzik improved
actions. This calculation aims to test the improvement in the numerical
precision that the combination of Symanzik actions and effective couplings can
give in Monte Carlo simulations.

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