Helical Packings and Phase Transformations of Soft Spheres in Cylinders
arXiv:1004.0362 · doi:10.1103/PhysRevE.81.040401
Abstract
The phase behavior of helical packings of thermoresponsive microspheres inside glass capillaries is studied as a function of volume fraction. Stable packings with long-range orientational order appear to evolve abruptly to disordered states as particle volume fraction is reduced, consistent with recent hard sphere simulations. We quantify this transition using correlations and susceptibilities of the orientational order parameter psi_6. The emergence of coexisting metastable packings, as well as coexisting ordered and disordered states, is also observed. These findings support the notion of phase transition-like behavior in quasi-1D systems.
5 pages, with additional 4 pages of supplemental material, accepted to Physical Review E: Rapid Communications
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Cited by in corpus (23)
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