Observation of Floquet topological phases with large Chern numbers
Quantum Physics
2022-11-30 v1
Abstract
One of the most intriguing advantage of Floquet engineering is to generate new phases with large topological invariants. In this work, we experimentally simulate a periodically quenched generalized Haldane model on an NV center in diamond, and observe its Floquet Chern insulator phases with Chern numbers by imaging the static and dynamic spin textures in momentum space. Our work reveals the power of Floquet driving in transforming system's topology and generating large Chern number phases. It further establishes a unique experimental scheme to detect Floquet topological phases in two and higher spatial dimensions.
Keywords
Cite
@article{arxiv.2209.05275,
title = {Observation of Floquet topological phases with large Chern numbers},
author = {Kai Yang and Shaoyi Xu and Longwen Zhou and Zhiyuan Zhao and Tianyu Xie and Zhe Ding and Wenchao Ma and Jiangbin Gong and Fazhan Shi and Jiangfeng Du},
journal= {arXiv preprint arXiv:2209.05275},
year = {2022}
}
Comments
11 pages, figure 1-4, figure s1-s2