The Numerical Renormalization Group Method for correlated electrons
强关联电子
2009-10-31 v1
摘要
The Numerical Renormalization Group method (NRG) has been developed by Wilson in the 1970's to investigate the Kondo problem. The NRG allows the non-perturbative calculation of static and dynamic properties for a variety of impurity models. In addition, this method has been recently generalized to lattice models within the Dynamical Mean Field Theory. This paper gives a brief historical overview of the development of the NRG and discusses its application to the Hubbard model; in particular the results for the Mott metal-insulator transition at low temperatures.
关键词
引用
@article{arxiv.cond-mat/0003377,
title = {The Numerical Renormalization Group Method for correlated electrons},
author = {R. Bulla},
journal= {arXiv preprint arXiv:cond-mat/0003377},
year = {2009}
}
备注
14 pages, 7 eps-figures included