Supervised and Unsupervised Machine Learning of Structural Phases of Polymers Adsorbed to Nanowires
arXiv:2203.11861 · doi:10.1103/PhysRevE.105.035304
Abstract
We identify configurational phases and structural transitions in a polymer nanotube composite by means of machine learning. We employ various unsupervised dimensionality reduction methods, conventional neural networks, as well as the confusion method, an unsupervised neural-network-based approach. We find neural networks are able to reliably recognize all configurational phases that have been found previously in experiment and simulation. Furthermore, we locate the boundaries between configurational phases in a way that removes human intuition or bias. This could be done before only by relying on preconceived, ad-hoc order parameters.
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