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- W4384111508 abstract "Simulating electronic behavior in materials and devices with realistic large system sizes remains a formidable task within the $ab$ $initio$ framework. We propose DeePTB, an efficient deep learning-based tight-binding (TB) approach with $ab$ $initio$ accuracy to address this issue. By training with $ab$ $initio$ eigenvalues, our method can efficiently predict TB Hamiltonians for unseen structures. This capability facilitates efficient simulation of large-size systems under external perturbations like strain, which are vital for semiconductor band gap engineering. Moreover, DeePTB, combined with molecular dynamics, can be used to perform efficient and accurate finite temperature simulations of both atomic and electronic behavior simultaneously. This is demonstrated by computing the temperature-dependent properties of a GaP system with $10^6$ atoms." @default.
- W4384111508 created "2023-07-13" @default.
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- W4384111508 date "2023-07-10" @default.
- W4384111508 modified "2023-09-27" @default.
- W4384111508 title "DeePTB: A deep learning-based tight-binding approach with $ab$ $initio$ accuracy" @default.
- W4384111508 doi "https://doi.org/10.48550/arxiv.2307.04638" @default.
- W4384111508 hasPublicationYear "2023" @default.
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