Higher-order glass-transition singularities in colloidal systems with attractive interactions

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1999
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Dawson, Kenneth A.
Foffi, Giuseppe
Götze, Wolfgang
Sciortino, Francesco
Sperl, Matthias
Tartaglia, Piero
Zaccarelli, Emanuela
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Physical Review E ; 63 (1999). - 11401
Abstract
The transition from a liquid to a glass in colloidal suspensions of particles interacting through a hard core plus an attractive square-well potential is studied within the mode-coupling-theory framework. When the width of the attractive potential is much shorter than the hard-core diameter, a reentrant behavior of the liquid-glass line and a glass-glass-transition line are found in the temperature-density plane of the model. For small well-width values, the glass-glass-transition line terminates in a third-order bifurcation point, i.e., in a A3 (cusp) singularity. On increasing the square-well width, the glass-glass line disappears, giving rise to a fourthorder A4 (swallow-tail) singularity at a critical well width. Close to the A3 and A4 singularities the decay of the density correlators shows stretching of huge dynamical windows, in particular logarithmic time dependence.
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530 Physics
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Cite This
ISO 690DAWSON, Kenneth A., Giuseppe FOFFI, Matthias FUCHS, Wolfgang GÖTZE, Francesco SCIORTINO, Matthias SPERL, Piero TARTAGLIA, Thomas VOIGTMANN, Emanuela ZACCARELLI, 1999. Higher-order glass-transition singularities in colloidal systems with attractive interactions. In: Physical Review E. 63, 11401. Available under: doi: 10.1103/PhysRevE.63.011401
BibTex
@article{Dawson1999Highe-8933,
  year={1999},
  doi={10.1103/PhysRevE.63.011401},
  title={Higher-order glass-transition singularities in colloidal systems with attractive interactions},
  volume={63},
  journal={Physical Review E},
  author={Dawson, Kenneth A. and Foffi, Giuseppe and Fuchs, Matthias and Götze, Wolfgang and Sciortino, Francesco and Sperl, Matthias and Tartaglia, Piero and Voigtmann, Thomas and Zaccarelli, Emanuela},
  note={Article Number: 11401}
}
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