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Finite size effects in soft matter under an electric field stimulus
Saša Harkai, 2016, master's thesis

Abstract: In this thesis, we study the effect of an external electric field on the properties of glass forming liquids. We present the properties relevant and important for understanding the phenomenon, such as the transition temperature and the temperature dependence of viscosity. We create a numerical model and use a method called molecular dynamics with the Lennard-Jones potential and an added external field as the interatomic potential to simulate molecular motion within a glass forming liquid. We implement analysis methods to calculate properties such as the radial distribution function, static structure factor, diffusion coefficient, non-Gaussian parameter, and relaxation time. We use the implemented methods to evaluate the molecular behaviour of the simulation and compare the results with theoretical predictions.
Keywords: finite size, glass transition, diffusion constant, dynamic heterogeneity, electric field
Published: 21.09.2016; Views: 538; Downloads: 59
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