A polymer with one hot block and one cold block, with no built-in direction, develops persistent drift along its own path inside a topological mesh, with speed scaling as temperature contrast divided by mesh spacing.
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Entropic tug of war: Topological constraints spontaneously rectify the dynamics of a polymer with heterogeneous fluctuations
A polymer with one hot block and one cold block, with no built-in direction, develops persistent drift along its own path inside a topological mesh, with speed scaling as temperature contrast divided by mesh spacing.