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Mitter, P. K.; Ramadas, T. R.

The two-dimensional O(N) nonlinear \(\sigma\)-model: Renormalisation and effective actions. (English) Zbl 0699.58067

Commun. Math. Phys. 122, No. 4, 575-596 (1989).
The authors study the two-dimensional nonlinear O(N) sigma model from Wilson Renormalization Group viewpoint. They show the existence of the renormalized trajectory in perturbation theory in the effective charge. This model is also useful in the small field analysis of the rigorous renormalization group construction of the continuum theory.
Reviewer: V.Oproiu

Cited in 5 Documents

MSC:

58Z05 Applications of global analysis to the sciences
81T17 Renormalization group methods applied to problems in quantum field theory

Keywords:

renormalization
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\textit{P. K. Mitter} and \textit{T. R. Ramadas}, Commun. Math. Phys. 122, No. 4, 575--596 (1989; Zbl 0699.58067)
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