研究领域

探索新型拓扑量子物态，实现量子材料输运性质调控是当前凝聚态物理学、光学和材料科学等学科交叉的前沿研究领域。该研究方向不仅在理论层面为凝聚态物理带来了丰富物理内涵和新的研究范式, 同时在量子计算、自旋电子学和新功能量子材料等方向新兴产业具有重要意义与广阔的应用前景。

课题组聚焦拓扑物态及其量子输运性质，研究兴趣集中但不限于以下方向： 

1，新型拓扑物态及其量子输运（包括拓扑绝缘体，拓扑超导与量子计算，高阶拓扑物态，新型量子磁性，量子几何效应，介观量子输运与调控，超导约瑟夫森效应等）；

2，无序效应和量子临界现象（拓扑相变，实空间拓扑指标，局域化与安德森转变等）；

3，开放量子体系（非厄米拓扑物态，非厄米趋肤效应，开放体系介观输运与超导输运等）；

4，基于量子材料的可能器件应用（自旋电子学，低功耗电子器件等）。

代表性论文 （Google scholar: https://scholar.google.com/citations?user=H0VpD-AAAAAJ&hl=en&oi=ao）

1. Chang-An Li*, B. Fu, H. Guo, B. Trauzettel, S. Zhang*, Marginal Metals and Kosterlitz-Thouless Type Phase Transition in Disordered Altermagnets, Phys. Rev. Lett. 136, 066303 (2026).

2. Chang-An Li, B. Trauzettel, T. Neupert, S. Zhang,  Enhancement of Second-Order Non-Hermitian Skin Effect by Magnetic Fields, Phys. Rev. Lett. 131, 116601 (2023) [Editors’ suggestion].

3. Chang-An Li*, S.-B. Zhang*, J. Li, and B. Trauzettel, Higher-Order Fabry-Pérot Interferometer from Topological Hinge States, Phys. Rev. Lett. 127, 026803 (2021)[On the Cover].

4. Chang-An Li, B. Fu, Z. Hu, J. Li*, and S.-Q. Shen*,Topological Phase Transitions in Disordered Electric Quadrupole Insulators, Phys. Rev. Lett. 125, 166801 (2020) [Editors’ suggestion].

5. Chang-An Li and B. Trauzettel, Exceptional Andreev spectrum and supercurrent in p-wave non-Hermitian Josephson junctions, Phys. Rev. B 112, 184504 (2025). 

6. Chang-An Li*, B. Fu*, J. Li, B. Trauzettel*, Random-flux-induced transition sequence between weak and strong topological phases with anisotropic localization properties, Phys. Rev. B 111, 214207 (2025).

7. Chang-An Li*, J. Sun, S.-B. Zhang, H. Guo, and B. Trauzettel, Klein-bottle quadrupole insulators and Dirac semimetals, Phys. Rev. B 108, 235412 (2023).

8. J. Sun, Chang-An Li*, S. Feng, Huaiming Guo* , Hybrid higher-order skin-topological effect in hyperbolic lattices, Phys. Rev. B 108, 075122 (2023) [Editors’ suggestion].
   

9. Chang-An Li*, S.-B. Zhang*, J. Budich, and B. Trauzettel, Transition from metal to higher-order topological insulator driven by random flux, Phys. Rev. B 106 (8), L081410 (2022) [Letter, Editors’ suggestion].

10. Chang-An Li*, S.-J. Choi, S.-B. Zhang, and B. Trauzettel, Dirac states in an inclined two-dimensional Su-Schrieffer-Heeger model, Phys. Rev. Research 4, 023193 (2022).
    

11. Chang-An Li*, Shushan Wu, Topological states in generalized electric quadrupole insulators, Phys. Rev. B 101, 195309(2020).
    

12. Chang-An Li, Jian Li*, and Shun-Qing Shen* , Majorana-Josephson interferometer, Phys. Rev. B 99, 100504 (R) (2019) [Rapid Communication].