An elementary introduction to the non-perturbative renormalization group is presented mainly in the context of statistical mechanics. No prior knowledge of field theory is necessary. The aim is this article is not to give an extensive overview of the subject but rather to insist on conceptual aspects and to explain in detail the main technical steps. It should be taken as an introduction to more advanced readings.
Non-Perturbative Renormalization Group for Simple Fluids
Long range correlations generated by phase separation. Exact results from field theory
Conformal invariance and composite operators: A strategy for improving the derivative expansion of the nonperturbative renormalization group
