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hep-th2017★ 20 cited
Scaling solutions in the derivative expansion
N. Defenu, A. Codello
Scalar field theories with -symmetry are the traditional playground of critical phenomena. In this work these models are studied using functional renormalization gr…
hep-th2014★ 69 cited
Critical exponents of O(N) models in fractional dimensions
A. Codello, N. Defenu, G. D'Odorico
We compute critical exponents of O(N) models in fractal dimensions between two and four, and for continuos values of the number of field components N, in this way completing the RG…