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Four-point renormalized coupling constant and Callan-Symanzik beta-function in O(N) models
A. Pelissetto, E. Vicari
We investigate some issues concerning the zero-momentum four-point renormalized coupling constant g in the symmetric phase of O(N) models, and the corresponding Callan-Symanzik bet…
The two-point correlation function of three-dimensional O(N) models: critical limit and anisotropy
M. Campostrini, A. Pelissetto, P. Rossi +1
In three-dimensional O(N) models, we investigate the low-momentum behavior of the two-point Green's function G(x) in the critical region of the symmetric phase. We consider physica…
Critical limit and anisotropy in the two-point correlation function of three-dimensional O(N) models
Massimo Campostrini, Andrea Pelissetto, Paolo Rossi +1
In three-dimensional O(N) models, we investigate the low-momentum behavior of the two-point Green's function G(x) in the critical region of the symmetric phase. We consider physica…