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arXiv · 2107.08985

Mutual information disentangles interactions from changing environments

Giorgio Nicoletti·Daniel Maria Busiello
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Abstract

Real-world systems are characterized by complex interactions of their internal degrees of freedom, while living in ever-changing environments whose net effect is to act as additional couplings. Here, we introduce a paradigmatic interacting model in a switching, but unobserved, environment. We show that the limiting properties of the mutual information of the system allow for a disentangling of these two sources of couplings. Further, our approach might stand as a general method to discriminate complex internal interactions from equally complex changing environments.

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Giorgio Nicoletti, Daniel Maria Busiello. 2021-10-20. Mutual information disentangles interactions from changing environments. https://doi.org/10.1103/physrevlett.127.228301

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