Classical behaviour after a phase transition
F. C. Lombardo, F. D. Mazzitelli, R. J. Rivers
Abstract
We analyze the onset of classical behaviour after a second-order phase transition by considering a scalar field theory in which the system-field interacts with its environment, represented both by further fields and by its own short-wavelength modes. Within our approximations we see that the long-wavelength modes have become classical by the time that the transition has been first implemented (the spinodal time).
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