## Borsányi and U . Reinosa , arXiv : 0809 . 0496 . [ 2 ] G . Baym

- E. Tomboulis
- J . Math . Phys .
- 1974

We consider the initial value problem and its renormalisation in the framework of the two-particle-irreducible (2PI) effective action. We argue that in the case of appropriately chosen self-consistent initial conditions, the counterterms needed to renormalise the system in equilibrium are also sufficient to renormalise its time evolution. In this way we… (More)

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