Damping and the Hartree Ensemble Approximation
M. Salle, J. Smit, J.C. Vink
TL;DR
This paper investigates damping phenomena in a 1+1 dimensional scalar field theory using a Hartree ensemble approximation, comparing numerical simulations with analytical perturbation theory predictions.
Contribution
It introduces a Hartree ensemble approach for real-time dynamics and compares its damping behavior with analytical predictions in a toy model.
Findings
Numerical damping matches perturbation theory predictions.
Hartree ensemble captures essential damping features.
Analytical and numerical results are consistent.
Abstract
We study a Hartree ensemble approximation for real-time dynamics in the toy model of 1+1 dimensional scalar field theory. Damping behavior seen in numerical simulations is compared with analytical predictions based on perturbation theory in the original (non-Hartree-approximated) model.
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