Natascia Andrenacci

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We study the phase-ordering kinetics following a quench to a final temperature Tf of the one-dimensional p-state clock model. We show the existence of a critical value pc=4, where the properties of the dynamics change. At Tf=0, for p<or=pc the dynamics is analogous to that of the kinetic Ising model, characterized by Brownian motion and annihilation of(More)
We consider the modified Ising model introduced by de Oliveira, Mendes, and Santos [J. Phys. A 26, 2317 (1993)], where the temperature depends locally on the spin configuration and detailed balance and local equilibrium are not obeyed. We derive a relation between the linear response function and correlation functions that generalizes the(More)
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