Tree-level renormalization

Details Tree-level renormalization Tree-level renormalization

1999-06-02

arxiv.org/abs/hep-th/9906017v1

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 1 figure

Scientific paper

It is shown in the framework of the N-component scalar model that the saddle
point structure may generate non-trivial renormalization group flow. The
spinodal phase separation can be described in this manner and a flat action is
found as an exact result which is valid up to any order of the loop expansion.
The correlation function is computed in a mean-field approximation.

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