Poster
in
Workshop: Machine Learning and the Physical Sciences
Learning dynamical systems: an example from open quantum system dynamics.
Pietro Novelli
Abstract:
Machine learning algorithms designed to learn dynamical systems from data can be used to forecast, control and interpret the observed dynamics. In this abstract we exemplify the use of one of such algorithms, namely Koopman operator learning, in the context of open quantum system dynamics. We will study the dynamics of a spin chain coupled with dephasing gates and show how Koopman operator learning is an approach to efficiently learn not only the evolution of the density matrix, but also of {\em every phyisical observable} associated to the system. Finally, using the spectral decomposition of the learned Koopman operator, we show how symmetries obeyed by the underlying dynamics can be inferred directly from data.
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