Three-body forces at work : Three-body potentials derived from triplet correlations in colloidal suspensions

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2005
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Russ, Carsten
Brunner, Matthias
von Grünberg, Hans-Hennig
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Europhysics Letters (EPL). 2005, 69(3), pp. 468-474. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/epl/i2004-10345-8
Zusammenfassung

Two- and three-particle correlation functions are computed from video-microscopy data of two-dimensional suspensions of charged colloids and inverted to derive the pair and three-body interaction potentials between the colloidal particles. Our method allows to resolve the full spatial dependence of the three-body potentials. Examining colloidal systems at different colloid densities, we find density-independent, attractive three-body potentials, with a minimum of a few kT that is most pronounced in the equilateral triangle configuration.

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ISO 690RUSS, Carsten, Matthias BRUNNER, Clemens BECHINGER, Hans-Hennig VON GRÜNBERG, 2005. Three-body forces at work : Three-body potentials derived from triplet correlations in colloidal suspensions. In: Europhysics Letters (EPL). 2005, 69(3), pp. 468-474. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/epl/i2004-10345-8
BibTex
@article{Russ2005Three-39374,
  year={2005},
  doi={10.1209/epl/i2004-10345-8},
  title={Three-body forces at work : Three-body potentials derived from triplet correlations in colloidal suspensions},
  number={3},
  volume={69},
  issn={0295-5075},
  journal={Europhysics Letters (EPL)},
  pages={468--474},
  author={Russ, Carsten and Brunner, Matthias and Bechinger, Clemens and von Grünberg, Hans-Hennig}
}
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