27-29 September 2021
Europe/Warsaw timezone
Abstract submission and Registration are closed.

Enhancing transport by shaping barriers (beating activation energies)

29 Sep 2021, 12:00


Invited talk S8


Prof. Emmanuel Trizac (Université Paris-Saclay)


Brownian escape is key to a wealth of physico-chemical processes, including polymer folding and information storage. The frequency of thermally activated energy barrier crossings is assumed to generally decrease exponentially with increasing barrier height. Here, we show theoretically and experiment tally that higher, fine-tuned barrier profiles result in significantly enhanced escape rates, in breach of the intuition relying on the above scaling law, and address the corresponding conditions for maximum speed-up.

Primary author

Prof. Emmanuel Trizac (Université Paris-Saclay)

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