Publikation: Three-Particle Correlations in Simple Liquids
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We use videomicroscopy to follow the phase-space trajectory of a two-dimensional colloidal model liquid and calculate three-point correlation functions from the measured particle configurations. Approaching the fluid-solid transition by increasing the strength of the pair-interaction potential, one observes the gradual formation of a crystal-like local order due to triplet correlations, while being still deep inside the fluid phase. Furthermore, we show that in a strongly interacting system the Born-Green equation can be satisfied only with the full triplet correlation function but not with three-body distribution functions obtained from superposing pair correlations (Kirkwood superposition approximation).
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ZAHN, Klaus, Georg MARET, Carsten RUSS, Hans-Hennig VON GRÜNBERG, 2003. Three-Particle Correlations in Simple Liquids. In: Physical Review Letters. 2003, 91(11). ISSN 0031-9007. Available under: doi: 10.1103/PhysRevLett.91.115502BibTex
@article{Zahn2003Three-17297, year={2003}, doi={10.1103/PhysRevLett.91.115502}, title={Three-Particle Correlations in Simple Liquids}, number={11}, volume={91}, issn={0031-9007}, journal={Physical Review Letters}, author={Zahn, Klaus and Maret, Georg and Ruß, Carsten and von Grünberg, Hans-Hennig} }
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