Renormalization group and nonequilibrium action in stochastic field theory

We investigate the renormalization group approach to nonequilibrium field theory. We show that it is possible to derive nontrivial renormalization group flow from iterative coarse graining of a closed-time-path action. This renormalization group is different from the usual in quantum field theory te...

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Autores principales: Zanella, J., Calzetta, E.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_1063651X_v66_n3_p_Zanella
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