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- W4233340982 abstract "We apply the decoherence formalism to an interacting scalar field theory. In the spirit of the decoherence literature, we consider a system field and an environment field that interact via a cubic coupling. We solve for the propagator of the system field, where we include the self-energy corrections due to the interaction with the environment field. In this paper, we consider an environment in the vacuum state (T=0). We show that neglecting inaccessible non-Gaussian correlators increases the entropy of the system as perceived by the observer. Moreover, we consider the effect of a changing mass of the system field in the adiabatic regime, and we find that at late times no additional entropy has been generated." @default.
- W4233340982 created "2022-05-12" @default.
- W4233340982 creator A5017627394 @default.
- W4233340982 creator A5034781102 @default.
- W4233340982 creator A5088984704 @default.
- W4233340982 date "2010-03-26" @default.
- W4233340982 modified "2023-10-17" @default.
- W4233340982 title "Decoherence in an interacting quantum field theory: The vacuum case" @default.
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