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  1. 1 Kastner M.

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Long-time asymptotics of the long-range Emch-Radin model

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Kastner M.
Open Physics
|
2012
|
vol. 10
|
issue 3
637-644
EN
The long-time asymptotic behaviour is studied for a long-range variant of the Emch-Radin model of interacting spins. We derive upper and lower bounds on the expectation values of a class of observables. We prove analytically that the time scale at which the system relaxes to equilibrium diverges with the system size N, displaying quasistationary nonequilibrium behaviour. This finding implies that, for large enough N, equilibration will not be observed in an experiment of finite duration.
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