1996
DOI: 10.1016/0370-2693(96)00277-8
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Wilsonian approximated renormalization group for matrix and vector models in 2 < d < 4

Abstract: Wilson's approximation scheme of RG recursion formula dropping momentum dependence of the propagators is applied to large-N vector and matrix models in dimensions 2 < d < 4 by making use of their exact solutions in zero dimension. In spite of apparent dependence of critical exponents upon the dilatational parameter ρ involved by the approximation, the exact exponents are reproduced for vector models in the limit ρ → 0. Application to matrix models is then reexamined after the same fashion. It predicts critical… Show more

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Cited by 16 publications
(28 citation statements)
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“…Via this route, there are exact results on the phase transition in d = 1 [20] 5 that show that the transition is different from that of the Ising model, and an approximate RG treatment that has yielded exponents in 2 < d < 4 as well [21,22]. There does not appear to be a treatment of the broken symmetry phase in this formulation of the problem-at issue is how the Ising symmetry of the planar theory large negative m 2 .…”
Section: = ∞mentioning
confidence: 99%
“…Via this route, there are exact results on the phase transition in d = 1 [20] 5 that show that the transition is different from that of the Ising model, and an approximate RG treatment that has yielded exponents in 2 < d < 4 as well [21,22]. There does not appear to be a treatment of the broken symmetry phase in this formulation of the problem-at issue is how the Ising symmetry of the planar theory large negative m 2 .…”
Section: = ∞mentioning
confidence: 99%
“…See [135,136] for a pedagogical introduction to the subject of the functional renormalization group. The Wilson renormalization group recursion formula was also used in [130][131][132][133][134] to study matrix scalar models which, as it turns out, are of great relevance to the limit θ −→ ∞ of noncommutative scalar field theory [137].…”
Section: Noncommutative Scalar Field Theorymentioning
confidence: 99%
“…More precisely we need, as before, to expand these diagrams around k 2 = 0 but retain now the linear term in k 2 which is very difficult to do explicitly. Our estimation of the coefficient of k 2 , motivated by dimensional consideration, is obtained by the approximation of [59,60]. Explicitly we have the (3rd) rule:…”
Section: Wilson Rg Recursion Formulamentioning
confidence: 99%
“…See [63,64] for a pedagogical introduction to the subject of the functional renormalization group. The Wilson renormalization group recursion formula was also used in [58][59][60][61][62] to study matrix scalar models which, as it turns out, are of great relevance to the limit θ −→ ∞ of noncommutative scalar field theory [65].…”
Section: Introductionmentioning
confidence: 99%
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