拓扑相连续模型的陈数、局域化与体-边对应
数学物理
2018-07-02 v4 K理论与同调
math.MP
算子代数
摘要
为研究拓扑相无序连续模型,我们为可分离-代数被扭曲-作用的叉乘构造了一个无界Kasparov模和半有限谱三元组。该谱三元组允许我们采用非酉局部指标公式,在具有复杂可观测量代数的连续设定中获得高阶陈数。此外,如紧束缚近似中那样,配对可扩展到与动力学局域化密切相关的更大代数。Kasparov模允许我们利用Wiener-Hopf扩张和Kasparov积获得无序拓扑相连续模型的体-边界对应。
引用
@article{arxiv.1611.06016,
title = {Chern numbers, localisation and the bulk-edge correspondence for continuous models of topological phases},
author = {Chris Bourne and Adam Rennie},
journal= {arXiv preprint arXiv:1611.06016},
year = {2018}
}
备注
46 pages. V2: results on localisation expanded and clarified. V3: Further revisions. V4: To appear in Mathematical Physics, Analysis and Geometry