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- W4380558634 abstract "Numerical simulations are essential tools for exploring the dynamic scaling properties of the nonlinear Kadar-Paris-Zhang (KPZ) equation. Yet the inherent nonlinearity frequently causes numerical divergence within the strong-coupling regime using conventional simulation methods. To sustain the numerical stability, previous works either utilized discrete growth models belonging to the KPZ universality class or modified the original nonlinear term by the designed specified operators. However, recent studies revealed that these strategies could cause abnormal results. Motivated by the above-mentioned facts, we propose a convolutional neural network-based method to simulate the KPZ equation driven by uncorrelated and correlated noises, aiming to overcome the challenge of numerical divergence, and obtaining reliable scaling exponents. We first train the neural network to represent the determinant terms of the KPZ equation in a data-driven manner. Then, we perform simulations for the KPZ equation with various types of temporally and spatially correlated noises. The experimental results demonstrate that our neural network could effectively estimate the scaling exponents eliminating numerical divergence." @default.
- W4380558634 created "2023-06-14" @default.
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- W4380558634 creator A5082518848 @default.
- W4380558634 date "2023-06-12" @default.
- W4380558634 modified "2023-10-16" @default.
- W4380558634 title "Numerically stable neural network for simulating Kardar-Paris-Zhang growth in the presence of uncorrelated and correlated noises" @default.
- W4380558634 doi "https://doi.org/10.48550/arxiv.2306.06952" @default.
- W4380558634 hasPublicationYear "2023" @default.
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