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- W4320031154 abstract "Despite very promising results, capturing the dynamics of complex quantum systems with neural-network ansatze has been plagued by several problems, one of which is stochastic noise that makes the dynamics unstable and highly dependent on some regularization hyperparameters. We present an alternative general scheme that enables one to capture long-time dynamics of quantum systems in a stable fashion, provided the neural-network ansatz is normalized, which can be ensured by the autoregressive property of the chosen ansatz. We then apply the scheme to time-dependent quench dynamics by investigating the Kibble-Zurek mechanism in the two-dimensional quantum Ising model. We find an excellent agreement with exact dynamics for small systems and are able to recover scaling laws in agreement with other variational methods." @default.
- W4320031154 created "2023-02-12" @default.
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- W4320031154 date "2023-08-17" @default.
- W4320031154 modified "2023-10-15" @default.
- W4320031154 title "Dynamics with autoregressive neural quantum states: Application to critical quench dynamics" @default.
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- W4320031154 doi "https://doi.org/10.1103/physreva.108.022210" @default.
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