Berlin 2012 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 34: Colloids and Complex Liquids II

CPP 34.4: Vortrag

Donnerstag, 29. März 2012, 16:00–16:15, C 130

Hard sphere crystals and crystal-liquid interfaces — •Martin Oettel — Mainz University, Institute of Physics

Density functional theory in the form of Fundamental Measure Theory (FMT) is capable of describing hard sphere crystals and interfaces very accurately. With FMT as a benchmark, we discuss the merits and shortcomings of simpler and more popular models (Ramakrishnan-Youssouff and Phase Field Crystal model). Furthermore we address the concept of crystallinity modes and the associated order parameter profiles at crystal-liquid interfaces as these are central ingredients for coarse-grained phase-field modelling employed in materials science.