Abstract A biased sampling algorithm for the restricted Boltzmann machine (RBM) is proposed, which allows generating configurations with a conserved quantity. To validate the method, a study of the short-range order in binary alloys with positive and negative exchange interactions is carried out. The network is trained on the data collected by Monte-Carlo simulations for a simple Ising-like binary alloy model and used to calculate the Warren-Cowley short-range order parameter and other thermodynamic properties. We demonstrate that the proposed method allows us not only to correctly reproduce the order parameters for the alloy concentration at which the network was trained, but can also predict them for any other concentrations.
(Statistical mechanics of model systems (Ising model, Potts model, field-theory models, Monte Carlo techniques, etc.))
Corresponding Authors:
M A Timirgazin
E-mail: timirgazin@gmail.com
Cite this article:
M A Timirgazin and A K Arzhnikov Generalization properties of restricted Boltzmann machine for short-range order 2023 Chin. Phys. B 32 067401
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