English

Comment on "Probing the equilibrium dynamics of colloidal hard spheres above the mode-coupling glass transition"

Soft Condensed Matter 2015-05-20 v1

Abstract

In the Letter [PRL 102, 085703 (2009)] Brambilla, et al. claimed to observe activated dynamics in colloidal hard spheres above the critical packing fraction of mode coupling theory (MCT). By performing microscopic MCT calculations, we show that polydispersity in their system shifts the critical packing fraction above the value determined by van Megen et al. for less polydisperse samples, and that the data agree with theory except for, possibly, the highest packing fraction.

Keywords

Cite

@article{arxiv.1010.2891,
  title  = {Comment on "Probing the equilibrium dynamics of colloidal hard spheres above the mode-coupling glass transition"},
  author = {Johannes Reinhardt and Fabian Weysser and Matthias Fuchs},
  journal= {arXiv preprint arXiv:1010.2891},
  year   = {2015}
}

Comments

Comment in print in Phys. Rev. Lett.; for accompanying reply see arXiv Brambilla et al. (Monday 18.10.2010)