A rich man's derivation of scaling laws for the Kondo model
Strongly Correlated Electrons
2018-12-26 v2
Abstract
We show how the one-loop "poor man's scaling" equations for the Kondo model with arbitrary impurity spin can be obtained within the framework of the functional renormalization group approach for quantum spin systems recently developed by Krieg and Kopietz [arXiv:1807.02524]. We argue that our method supersedes the "poor man's scaling" approach and can also be used to study the strong coupling regime of the Kondo model.
Keywords
Cite
@article{arxiv.1810.03629,
title = {A rich man's derivation of scaling laws for the Kondo model},
author = {Dmytro Tarasevych and Jan Krieg and Peter Kopietz},
journal= {arXiv preprint arXiv:1810.03629},
year = {2018}
}
Comments
7 pages, 2 figures; added references, corrected typos