no code implementations • 21 Jan 2021 • Danying Yu, Bo Peng, Xianfeng Chen, Xiong-Jun Liu, Luqi Yuan
The notion of topological phases extended to dynamical systems stimulates extensive studies, of which the characterization of non-equilibrium topological invariants is a central issue and usually necessitates the information of quantum dynamics in both the time and spatial dimensions.
Quantum Physics Optics
no code implementations • 17 Dec 2020 • Yucheng Wang, Xu Xia, Yongjian Wang, Zuohuan Zheng, Xiong-Jun Liu
A mobility edge (ME) in energy separating extended from localized states is a central concept in understanding various fundamental phenomena like the metal-insulator transition in disordered systems.
Disordered Systems and Neural Networks
no code implementations • 6 Jul 2017 • Xiangru Kong, Linyang Li, Ortwin Leenaerts, Weiyang Wang, Xiong-Jun Liu, François M. Peeters
The quantum anomalous Hall (QAH) effect is a topologically nontrivial phase, characterized by a non-zero Chern number defined in the bulk and chiral edge states in the boundary.
Materials Science
1 code implementation • 10 Mar 2017 • Xiangru Kong, Linyang Li, Ortwin Leenaerts, Xiong-Jun Liu, François M. Peeters
Using first-principles calculations, we propose a series of new elemental bilayers with group V elements (Bi, Sb, As).
Materials Science
