3 papers
cond-mat.mes-hall2024
RKKY interaction in helical higher-order topological insulators
Sha Jin, Jian Li, Qing-Xu Li +1
We theoretically investigate the RKKY interaction in helical higher-order topological insulators (HOTIs), revealing distinct behaviors mediated by hinge and Dirac-type bulk carrier…
physics.app-ph2024
Tunable non-Hermitian skin effect via gain and loss
Wen-Cheng Jiang, Hong Wu, Jian Li +2
We investigate theoretically tunable non-Hermitian skin effect in systems with gain and loss, and find that bipolar (quadripolar) non-Hermitian skin effect characterized by topolog…
cond-mat.mes-hall2023
The electronic structure of intrinsic magnetic topological insulator MnBi2Te4 quantum wires
Jian Li, Zhu-Cai Yin, Qing-Xv Li +1
The ferromagnetic and antiferromagnetic nanostructure are crucial for fundamental spintronics devices, motivated by its potential application in spintronics, we theoretically inves…