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Critical mass renormalization in renormalized ϕ 4 theories in two and three dimensions
2015
Physics Letters B
We consider the O(N)-symmetric phi4 theory in two and three dimensions and determine the nonperturbative mass renormalization needed to obtain the phi4 continuum theory. The required nonperturbative information is obtained by resumming high-order perturbative series in the massive renormalization scheme, taking into account their Borel summability and the known large-order behavior of the coefficients. The results are in good agreement with those obtained in lattice calculations.
doi:10.1016/j.physletb.2015.11.015
fatcat:gx3rjavfy5ahfczodasacki4la