Non-Markovian source term for particle production by a self-interacting scalar field in the large-N approximation

Details Non-Markovian source term for particle production by a self-interacting scalar field in the large-N approximation Non-Markovian source term for particle production by a self-interacting scalar field in the large-N approximation

2004-07-06

arxiv.org/abs/hep-th/0407033v4

Mod.Phys.Lett. A20 (2005) 1087-1101

Physics

High Energy Physics

High Energy Physics - Theory

minor changes, journal version

Scientific paper

10.1142/S021773230501738X

The particle production in the self-interacting N-component complex scalar field theory is studied at large N. A non-Markovian source term that includes all higher order back-reaction and collision effects is derived. The kinetic amplitudes accounting for the change in the particle number density caused by collisions are obtained. It is shown that the production of particles is symmetric in the momentum space. The problem of renormalization is briefly discussed.

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