Finite size effects on measures of critical exponents in d=3 O(N) models
Abstract
We study the critical properties of three-dimensional O(N) models, for N=2,3,4. Parameterizing the leading corrections-to-scaling for the η exponent, we obtain a reliable infinite volume extrapolation, incompatible with previous Monte Carlo values, but in agreement with ε-expansions. We also measure the critical exponent related with the tensorial magnetization as well as the exponents and critical couplings.
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