Publikation:

Three-Particle Correlations in Simple Liquids

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2003

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Zahn, Klaus
Ruß, Carsten
von Grünberg, Hans-Hennig

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Published

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Physical Review Letters. 2003, 91(11). ISSN 0031-9007. Available under: doi: 10.1103/PhysRevLett.91.115502

Zusammenfassung

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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530 Physik

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Structure of liquids, Colloids

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ISO 690ZAHN, 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.91.115502
BibTex
@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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