276 citations · 3.7k across the 48 of their papers we have counts for
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hep-ph2001
Quantum Fields far from Equilibrium and Thermalization
J. Berges
I review the use of the 2PI effective action in nonequilibrium quantum field theory. The approach enables one to find approximation schemes which circumvent long-standing problems…
hep-ph2001★ 183 cited
Classical aspects of quantum fields far from equilibrium
Gert Aarts, Jurgen Berges
We consider the time evolution of nonequilibrium quantum scalar fields in the O(N) model, using the next-to-leading order 1/N expansion of the 2PI effective action. A comparison wi…