title: Solutions of renormalization-group flow equations with full momentum dependence.
abstract: We demonstrate the power of a recently proposed approximation scheme for the nonperturbative renormalization group that gives access to correlation functions over their full momentum range. We solve numerically the leading-order flow equations obtained within this scheme and compute the two-point functions of the O(N) theories at criticality, in two and three dimensions. Excellent results are obtained for both universal and nonuniversal quantities at modest numerical cost.
authors.affiliation: Instituto de Fìsica, Faculdad de Ingeniería, Universidade de la República, 11000 Montevideo, Uruguay.
authors.forename: F
authors.initials: F
authors.lastname: Benitez
authors.forename: J-P
authors.initials: JP
authors.lastname: Blaizot
authors.forename: H
authors.initials: H
authors.lastname: Chaté
authors.forename: B
authors.initials: B
authors.lastname: Delamotte
authors.forename: R
authors.initials: R
authors.lastname: Méndez-Galain
authors.forename: N
authors.initials: N
authors.lastname: Wschebor