Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-01-04
Phys.Lett.B648:64-69,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
Version published in Phys. Lett. B
Scientific paper
10.1016/j.physletb.2007.02.065
In this further letter on the onset of classical behaviour in field theory due to a phase transition, we show that it can be phrased easily in terms of the decoherence functional, without having to use the master equation. To demonstrate this, we consider the decohering effects due to the displacement of domain boundaries, with implications for the displacement of defects, in general. We see that decoherence arises so quickly in this event, that it is negligible in comparison to decoherence due to field fluctuations in the way defined in our previous papers.
Lombardo Fernando C.
Rivers Ray J.
Villar Paula I.
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