paper

Asymptotic Scaling in the Two-Dimensional -Model at Correlation Length

arXiv:hep-lat/9411009 · doi:10.1103/PhysRevLett.75.1891

Abstract

We carry out a high-precision Monte Carlo simulation of the two-dimensional -invariant -model at correlation lengths up to . Our work employs a new and powerful method for extrapolating finite-volume Monte Carlo data to infinite volume, based on finite-size-scaling theory. We discuss carefully the systematic and statistical errors in this extrapolation. We then compare the extrapolated data to the renormalization-group predictions. The deviation from asymptotic scaling, which is at , decreases to at .

11 pages including 3 figures, 278964 bytes Postscript (changed storage format)

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