Tomonaga-Luttinger液体中的单个杂质
凝聚态物理
2017-02-08 v1
摘要
本文讨论了一维Tomonaga-Luttinger液体中具有排斥性电子-电子相互作用的单个杂质问题。我们发现，表征杂质的参数的重整化群流图相当复杂。除了对应于两个弱耦合半无限导线的固定点外，流图还包含额外的固定点，这些固定点控制着当杂质裸势不强时的低温物理。
引用
@article{arxiv.cond-mat/9707162,
title = {A Single Impurity in Tomonaga-Luttinger Liquids},
author = {Yuval Oreg and Alexander M. Finkel'stein},
journal= {arXiv preprint arXiv:cond-mat/9707162},
year = {2017}
}
备注
To be published in the Philosophical Magazine in the Proceedings of the "MINERVA WORKSHOP on MESOSCOPICS, FRACTALS and NEURAL NETWORKS", Eilat, Israel, March 1997