5 papers
Systematically Improvable Numerical Atomic Orbital Basis Using Contracted Truncated Spherical Waves
Yike Huang, Zuxin Jin, Linfeng Zhang +3
To solve the Kohn-Sham equation within the framework of density functional theory, we develop a scheme to construct numerical atomic orbital (NAO) basis sets by contracting truncat…
ABACUS: An Electronic Structure Analysis Package for the AI Era
Weiqing Zhou, Daye Zheng, Qianrui Liu +55
ABACUS (Atomic-orbital Based Ab-initio Computation at USTC) is an open-source software for first-principles electronic structure calculations and molecular dynamics simulations. It…
Deep Learning Accelerated Quantum Transport Simulations in Nanoelectronics: From Break Junctions to Field-Effect Transistors
Jijie Zou, Zhanghao Zhouyin, Dongying Lin +4
Quantum transport simulations are essential for understanding and designing nanoelectronic devices, yet the long-standing trade-off between accuracy and computational efficiency ha…
Learning local equivariant representations for quantum operators
Zhanghao Zhouyin, Zixi Gan, MingKang Liu +3
Predicting quantum operator matrices such as Hamiltonian, overlap, and density matrices in the density functional theory (DFT) framework is crucial for material science. Current me…
Deep learning tight-binding approach for large-scale electronic simulations at finite temperatures with accuracy
Qiangqiang Gu, Zhanghao Zhouyin, Shishir Kumar Pandey +3
Simulating electronic behavior in materials and devices with realistic large system sizes remains a formidable task within the framework due to its computational inte…