Berlin 2024 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 31: Poster: Statistical Physics

DY 31.2: Poster

Wednesday, March 20, 2024, 15:00–18:00, Poster C

Inferring hidden dynamics from empirical densities and currents of projected observables — •Francesco Malcangi and Aljaz Godec — Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany

Single-molecule experiments typically probe one-dimensional projections of complex high-dimensional dynamics, lumping many distinct microscopic configurations into the same observable state. The projection induces memory in the evolution of the observable but otherwise buries features of the underlying potential landscape. We show how the sample-to-sample fluctuations of functionals of projected paths may be utilized to infer hidden features of the landscape such as hidden intermediates and buried free energy barriers.

Keywords: Projections; Non-Markovianity; Sample-to-sample fluctuations; Empirical Densities; Emprircal Currents