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Off-equilibrium scaling behaviors driven by time-dependent external fields in three-dimensional O(N) vector models
Andrea Pelissetto, Ettore Vicari
We consider the dynamical off-equilibrium behavior of the three-dimensional O vector model in the presence of a slowly-varying time-dependent spatially-uniform magnetic field…
Off-equilibrium scaling behaviors across first-order transitions
Haralambos Panagopoulos, Ettore Vicari
We study off-equilibrium behaviors at first-order transitions (FOTs) driven by a time dependence of the temperature across the transition point Tc, such as the linear behavior T(t)…
Critical mass renormalization in renormalized phi4 theories in two and three dimensions
Andrea Pelissetto, Ettore Vicari
We consider the O(N)-symmetric phi4 theory in two and three dimensions and determine the nonperturbative mass renormalization needed to obtain the phi4 continuum theory. The requir…
Quantum Ising chains with boundary fields
Massimo Campostrini, Andrea Pelissetto, Ettore Vicari
We present a detailed study of the finite one-dimensional quantum Ising chain in a transverse field in the presence of boundary magnetic fields coupled with the order-parameter spi…
Bose-Einstein condensation and critical behavior of two-component bosonic gases
Giacomo Ceccarelli, Jacopo Nespolo, Andrea Pelissetto +1
We study Bose-Einstein condensation (BEC) in three-dimensional two-component bosonic gases, characterizing the universal behaviors of the critical modes arising at the BEC transiti…
Three-dimensional antiferromagnetic CP(N-1) models
Francesco Delfino, Andrea Pelissetto, Ettore Vicari
We investigate the critical behavior of three-dimensional antiferromagnetic CP(N-1) [ACP(N-1)] models in cubic lattices, which are characterized by a global U(N) symmetry and a loc…
Quantum transitions driven by one-bond defects in quantum Ising rings
Massimo Campostrini, Andrea Pelissetto, Ettore Vicari
We investigate quantum scaling phenomena driven by lower-dimensional defects in quantum Ising-like models. We consider quantum Ising rings in the presence of a bond defect. In the…