Author

Ying-Wei Chen

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Preprint Sep 2026

First-Principles Electronic Structure Calculation of Crystals in Laboratory Magnetic Fields

External magnetic fields can qualitatively reshape the electronic structure of crystals, underpinning quantum Hall physics, Landau-level spectra and field-induced topological phases. Their first-principles treatment at laboratory-scale fields is, however, hindered by magnetic-flux quantization, which requires magnetic...

Si-Chao Wang, Cheng-Ye Lu, Xin-Gao Gong et al. · 0 citations

Preprint Sep 2026

Atom-Resolved Machine Learning of Dielectric and Piezoelectric Response

Predicting dielectric and piezoelectric responses in structurally complex materials requires large simulation cells, for which density-functional perturbation theory (DFPT) calculations scale as $\mathcal{O}(N^4)$ and become computationally prohibitive. However, machine-learning approaches have remained challenging, li...

Jin-Yu Liu, Ying-Wei Chen, Li-Yang Ma et al. · 0 citations