Browsing Faculty of Graduate Studies Online Theses by Author "Shea, Patrick"

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  • Langevin Equation for Diffusion of Molecules Adsorbed on Surfaces 

    Shea, Patrick (2010-09-07)
    Starting from a classical mechanical model, a set of Langevin equations for the surface diffusion of adsorbed molecules is developed. In contrast to previous work, these Langevin equations take full account of the rotations ...

  • Stochastic model for surface diffusion of organic molecules 

    Shea, Patrick (2015-03-27)
    A theoretical model for the diffusion of large molecules adsorbed on surfaces is developed. Starting from the classical equations of motion, a generalized non-Markovian Langevin equation for the center of mass diffusive ...