Abstract

Significantly slow dynamics, namely subdiffusion, is ubiquitous - especially in the biological context. The fingerprint of subdiffusive dynamics is that the mean squared displacement grows sublinearly in time - but there are very different physical mechanisms that can lead to this same behavior! Discerning between the relevant underlying physical realities is crucial to the understanding of the system at hand. A toolbox is presented with the aim of clarifying the differences between the different mechanisms, and presenting possible complications. We focus on a test for discerning between ergodic models, presenting an interesting application which sheds light on the structure of the energy landscape of proteins.

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