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hep-ph2024
Four results on out-of-equilibrium 2PI simulations in 3+1 dimensions
Anders Tranberg, Gerhard Ungersbäck
We perform an analysis of a number of approximations and methods used in numerical simulations of real-time Kadanoff-Baym equations based on truncations of the 2PI effective action…
hep-ph2023
Quantum tachyonic preheating, revisited
Anders Tranberg, Gerhard Ungersbäck
In certain models of inflation, the postinflationary reheating of the Universe is not primarily due to perturbative decay of the inflaton field into particles, but proceeds through…