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Field-theory results for three-dimensional transitions with complex symmetries
Pasquale Calabrese, Andrea Pelissetto, Paolo Rossi +1
We discuss several examples of three-dimensional critical phenomena that can be described by Landau-Ginzburg-Wilson theories. We present an overview of field-theoretical resu…
Aging at Criticality in Model C Dynamics
Pasquale Calabrese, Andrea Gambassi
We study the off-equilibrium two-point critical response and correlation functions for the relaxational dynamics with a coupling to a conserved density (Model C) of the O(N) vector…
Multicritical phenomena in O(n_1)+O(n_2)-symmetric theories
Pasquale Calabrese, Andrea Pelissetto, Ettore Vicari
We study the multicritical behavior arising from the competition of two distinct types of ordering characterized by O(n) symmetries. For this purpose, we consider the renormalizati…
Aging and fluctuation-dissipation ratio for the diluted Ising Model
Pasquale Calabrese, Andrea Gambassi
We consider the out-of-equilibrium, purely relaxational dynamics of a weakly diluted Ising model in the aging regime at criticality. We derive at first order in a expansio…
Two-loop Critical Fluctuation-Dissipation Ratio for the Relaxational Dynamics of the O(N) Landau-Ginzburg Hamiltonian
Pasquale Calabrese, Andrea Gambassi
The off-equilibrium purely dissipative dynamics (Model A) of the O(N) vector model is considered at criticality in an up to O(). The scaling behavior of two-time…
Critical behavior of vector models with cubic symmetry
P. Calabrese, A. Pelissetto, E. Vicari
We report on some results concerning the effects of cubic anisotropy and quenched uncorrelated impurities on multicomponent spin models. The analysis of the six-loop three-dimensio…