Jorge A Revelli et al 2005 New J. Phys. 7 16 doi:10.1088/1367-2630/7/1/016
Bulk-mediated surface diffusion: non-Markovian desorption dynamics
Focus on Brownian Motion and Diffusion in the 21st CenturyJorge A Revelli1, Carlos E Budde1, Domingo Prato1 and Horacio S Wio2,3
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Here we analyse the dynamics of adsorbed molecules within the bulk-mediated surface diffusion framework, when the particle's desorption mechanism is characterized by a non-Markovian process, while the particle's adsorption as well as its motion in the bulk is governed by Markovian dynamics. We study the diffusion of particles in both semi-infinite and finite cubic lattices, analysing the conditional probability to find the system on the reference absorptive plane as well as the surface dispersion as functions of time. The results are compared with known Markovian cases showing the differences that can be exploited to distinguish between Markovian and non-Markovian desorption mechanisms in experimental situations.
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Issue 1 (January 2005)
Received 25 August 2004
Published 31 January 2005
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Bulk-mediated surface diffusion: non-Markovian desorption dynamics
Jorge A Revelli et al 2005 New J. Phys. 7 16
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