Introduction to the Functional Renormalization Group

By P. Kopietz, L. Bartosch, F. Schütz. 2010

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The nonperturbative functional renormalization group and its applications (2020, methodology): “Retaining the momentum dependence of the vertices allows one to obtain that of the correlation functions [69, 108, 207–212].”
An Asymptotically Safe Guide to Quantum Gravity and Matter (2018, methodology): “The method is well-suited to models with dimensionful couplings, and therefore widely-used in condensed-matter physics and statistical physics (Kopietz et al., 2010; Metzner et al., 2012; Platt et al., 2013).”
On the CFT operator spectrum at large global charge (2015, background): “This is in the spirit of the functional RG flow (see [23] and references therein).”