目前主要从事强关联体系、拓扑物态与量子材料的理论研究，研究兴趣包括但不限于以下方向：
强关联电子体系与非常规超导
铜基、铁基和镍基超导体中的电子关联效应及非常规超导机理。
拓扑量子材料与莫尔超晶格
包括拓扑结缘体，拓扑半金属，拓扑超导体；莫尔超晶格中的拓扑平带，关联拓扑物态，以及分数量子反常霍尔效应等。
第一性原理计算与多体理论方法
密度泛函理论，有效低能模型构建，以及机器学习辅助的材料搜索与物性预测等研究。
Google Scholar
https://scholar.google.com/citations?user=ZzET834AAAAJ&hl=zh-CN
代表性论文
1. Catalog of Altermagnetism in Magnetic Wallpaper/Space Groups and Nonsymmorphic Altermagnets.
Congcong Le*, Fan Cui, Iao-Fai Io, Moritz Hirschmann, Xianxin Wu, Ching-Kai Chiu, arXiv:2607.10857(2026)
2. Common Sublattice-Pure Van Hove Singularities in the Kagome Superconductors
Yujie Lan*, Yuhao Lei*, Congcong Le*, et al, Phys. Rev. Lett. 136, 016401 (2026).
3. Landscape of Correlated Orders in Strained Bilayer Nickelate Thin Films
Congcong Le, Jun Zhan, Xianxin Wu, Jiangping Hu,, arXiv:2501.14665 (2025).
4. Effective model and pairing tendency in bilayer Ni-based superconductor La3Ni2O7
Yuhao Gu*, Congcong Le*, Zhesen Yang, Xianxin Wu, Jiangping Hu, Phys. Rev. B 111, 174506 (2025).
5. Double and Quadruple Flat Bands Tuned by Alternative Magnetic Fluxes in Twisted Bilayer Graphene,
Congcong Le, Qiang Zhang, Cui Fan, Xianxin Wu, Ching-Kai Chiu, Phys. Rev. Lett. 132, 246401 (2024) .
6. Magnetic coupled electronic landscape in bilayer-distorted titanium-based kagome metals
Yong Hu*, Congcong Le*, et al, et al, Phys. Rev. B 110, L121114 (2024).
7. Topological electronic structure and electronic nematicity in candidate kagome superconductors, \ce{ATi3Bi5} (A = Rb, Cs)
Yong Hu*, Congcong Le*, et al, Supercond. Sci. Technol. 37, 123004 (2024).
8. Charge density wave transition in the magnetic topological semimetal EuAl$_4$
Run Yang*, Congcong Le*, et al, Phys. Rev. B 109, L041113 (2024).
9. Non-trivial band topology and orbital-selective electronic nematicity in a titanium-based kagome superconductor,
Yong Hu*, Congcong Le*, et al, Nature Physics 19, 1827-1833 (2023).
10. Generalized fermion doubling theorems: Classification of two-dimensional nodal systems in terms of wallpaper groups
Congcong Le, Zhesen Yang, Fan Cui, A. P. Schnyder, Ching-Kai Chiu, Phys. Rev. B 106, 045126 (2022).
11. Dirac Fermion Cloning, Moire Flat Bands and Magic Lattice Constants in Epitaxial Monolayer Graphene.
Qiangsheng Lu*, Congcong Le*, Xiaoqian Zhang, et al Advanced Materials, 2200625 (2022)
12. Design strong anomalous Hall effect via spin canting in antiferromagnetic nodal line materials
Congcong Le, Claudia Felser, Yan Sun, Phys. Rev. B 104, 125145 (2021).
13. Topology and symmetry of circular photogalvanic effect in the chiral multifold semimetals: a review
Congcong Le, Yan Sun, J. Phys.: Condens. Matter 33 503003(2021).
14. Electronic structure and two-band superconductivity in unconventional high-Tc cuprates Ba2CuO3
Kun Jiang*, Congcong Le*, Yinxiang Li, Shengshan Qin, Ziqiang Wang, Fuchun Zhang, Jiangping Hu, Phys. Rev. B 103, 045108 (2021).
15. Ab initio study of quantized circular photogalvanic effect in chiral multifold semimetals
Congcong Le, Yang Zhang, Claudia Felser, and Yan Sun, Phys. Rev. B 102, 121111(R)(2020).
16. CuI: a Dirac semimetal without surface Fermi arcs
Congcong Le, Xianxin Wu, Shengshan Qin, Yinxiang Li, Ronny Thomale, Fuchun Zhang, Jiangping Hu, PNAS.1803599115 (2018).
17. A Possible Family of Ni-based High Temperature Superconductors,
Congcong Le, Jinfeng Zeng, Guang-Han Cao, Jiangping Hu, Science Bulletin, 2018, 63(15):957-963 (2018).
17. Three-dimensional Critical Dirac semimetal in KMgBi,
Congcong Le, Shengshan Qin, Xianxin Wu, Xia Dai, Peiyuan Fu, Jiangping Hu, Phys. Rev. B 96, 115121 (2017).
18. Electronic Physics and Possible Superconductivity in Layered Orthorhombic Cobalt Oxychalcogenides
Congcong Le, Shengshan Qin, Jiangping Hu, Science Bulletin 62, 563 (2017).