Three-dimensional O(N)O(N)-invariant ϕ4ϕ^4 models at criticality for N≥4N\ge 4

preprint2022arXivOpen access

Abstract

We study the O(N)O(N)-invariant ϕ4ϕ^4 model on the simple cubic lattice by using Monte Carlo simulations. By using a finite size scaling analysis, we obtain accurate estimates for the critical exponents νν and ηη for N=4N=4, 55, 66, 88, 1010, and 1212. We study the model for each NN for at least three different values of the parameter λλ to control leading corrections to scaling. We compare our results with those obtained by other theoretical methods.

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