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arxiv: 1605.04287 · v2 · pith:MRBB4EYUnew · submitted 2016-05-13 · ✦ hep-ph · nucl-th

Initial conditions for hydrodynamics from weakly coupled pre-equilibrium evolution

Liam Keegan , Aleksi Kurkela , Aleksas Mazeliauskas , Derek Teaney This is my paper
classification ✦ hep-ph nucl-th
keywords evolutionhydrodynamicsinitialperturbationspre-equilibriumaccurateapplicablebecomes
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We use effective kinetic theory, accurate at weak coupling, to simulate the pre-equilibrium evolution of transverse energy and flow perturbations in heavy-ion collisions. We provide a Green function which propagates the initial perturbations to the energy-momentum tensor at a time when hydrodynamics becomes applicable. With this map, the complete pre-thermal evolution from saturated nuclei to hydrodynamics can be modelled in a perturbatively controlled way.

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