Thermalisation of inhomogeneous quantum scalar fields in 1+1D
M. Salle, J. Smit, J. C. Vink
Abstract
Using an improved version of the Hartree approximation, allowing for ensembles of inhomogeneous configurations, we show in a λϕ4 theory, that initially the system thermalises with a Bose-Einstein distribution. For later times and larger couplings we see deviations.
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