Unsupervised Learning of Rydberg Atom Array Phase Diagram with Siamese Neural Networks

9 May 2022  ·  Zakaria Patel, Ejaaz Merali, Sebastian J. Wetzel ·

We introduce an unsupervised machine learning method based on Siamese Neural Networks (SNN) to detect phase boundaries. This method is applied to Monte-Carlo simulations of Ising-type systems and Rydberg atom arrays. In both cases the SNN reveals phase boundaries consistent with prior research. The combination of leveraging the power of feed-forward neural networks, unsupervised learning and the ability to learn about multiple phases without knowing about their existence provides a powerful method to explore new and unknown phases of matter.

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