Renormalization and resummation in the O(N) model

Details Renormalization and resummation in the O(N) model Renormalization and resummation in the O(N) model

2008-11-14

arxiv.org/abs/0811.2295v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, presented at International Conference on Strong and Electroweak matter (SEWM 2008), Amsterdam, The Netherlands, 26-29

Scientific paper

10.1016/j.nuclphysa.2009.01.064

In the O(N) model for the large N expansion one needs resummation which makes
the renormalization of the model difficult. In the paper it is discussed, how
can one perform a consistent perturbation theory at zero as well as at finite
temperature with the help of momentum dependent renormalization schemes.

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