3 papers
cond-mat.mes-hall2025
Valley Gapless Semiconductor: Models and Applications
Kok Wai Lee, Pei-Hao Fu, Jun-Feng Liu +2
The emerging field of valleytronics harnesses the valley degree of freedom of electrons, akin to how electronic and spintronic devices utilize the charge and spin degrees of freedo…
cond-mat.mes-hall2024
Floquet engineering of topological phase transitions in quantum spin Hall - system
Kok Wai Lee, Mateo Jalen Andrew Calderon, Xiang-Long Yu +3
Floquet engineering of topological phase transitions driven by a high-frequency time-periodic field is a promising approach to realizing new topological phases of matter distinct f…
cond-mat.str-el2023
Interplay between Haldane and modified Haldane models in - lattice: Band structures, phase diagrams and edge states
Kok Wai Lee, Pei-Hao Fu, Yee Sin Ang
We study the topological properties of the Haldane and modified Haldane models in - lattice. The band structures and phase diagrams of the system are investigated. Indivi…