Universality in the Gross-Neveu model
F. Knechtli, T. Korzec, B. Leder, U. Wolff
TL;DR
This paper investigates universal finite size effects in the Gross-Neveu model, comparing continuum and discretized lattice versions with Wilson and staggered fermions, focusing on the large-N limit and zero lattice spacing extrapolation.
Contribution
It provides a detailed comparison of finite size effects between continuum and lattice Gross-Neveu models, including discretized versions with Wilson and staggered fermions, in the large-N limit.
Findings
Lattice results agree with continuum values after zero lattice spacing extrapolation.
Finite size effects exhibit universality across different discretizations.
Results validate the continuum limit approach in lattice simulations.
Abstract
We consider universal finite size effects in the large-N limit of the continuum Gross-Neveu model as well as in its discretized versions with Wilson and with staggered fermions. After extrapolation to zero lattice spacing the lattice results are compared to the continuum values.
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