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cond-mat.stat-mech2022
Justification for the use of Markovian Langevin statistics in the modelling of activated surface diffusion
J. Wilkinson, J. Ellis
Low temperature surface diffusion is driven by the thermally activated hopping of adatoms between adsorption sites. Helium spin-echo techniques, capable of measuring the sub-picose…
cond-mat.stat-mech2018
Amplitude of jump motion signatures in classical vibration-jump dynamic
Peter S. M. Townsend, John Ellis
The classical Langevin dynamics of a particle in a periodic potential energy landscape are studied via the intermediate scattering function (ISF). By construction, the particle per…