Butterflies and topological quantum numbers
数学物理
2007-05-23 v1 math.MP
摘要
The Hofstadter model illustrates the notion of topological quantum numbers and how they account for the quantization of the Hall conductance. It gives rise to colorful fractal diagrams of butterflies where the colors represent the topological quantum numbers.
引用
@article{arxiv.math-ph/0110026,
title = {Butterflies and topological quantum numbers},
author = {J. E. Avron and D. Osadchy},
journal= {arXiv preprint arXiv:math-ph/0110026},
year = {2007}
}
备注
9 pages, 5 figures