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Thermal vestige of the zero-temperature jamming transition

Author

Listed:
  • Zexin Zhang

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

  • Ning Xu

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA)

  • Daniel T. N. Chen

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

  • Peter Yunker

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

  • Ahmed M. Alsayed

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

  • Kevin B. Aptowicz

    (West Chester University, West Chester, Pennsylvania 19383, USA)

  • Piotr Habdas

    (Saint Joseph’s University, Philadelphia, Pennsylvania 19131, USA)

  • Andrea J. Liu

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

  • Sidney R. Nagel

    (James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA)

  • Arjun G. Yodh

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

Abstract

Heating up the jam When the packing fraction is increased sufficiently, loose particulates jam to form a rigid solid in which the constituents are no longer free to move. In typical granular materials and foams, the thermal energy is too small to produce structural rearrangements. However, because thermal motion becomes relevant when the particles are small enough, it is imperative to understand the behaviour as the temperature is increased. Zhang et al. use both colloidal experiments and computer simulations to investigate the overlap distance between neighbouring particles beyond the zero-temperature limit. They find that this quantity evolves in an unusual manner, retaining a vestige of its zero-temperature behaviour.

Suggested Citation

  • Zexin Zhang & Ning Xu & Daniel T. N. Chen & Peter Yunker & Ahmed M. Alsayed & Kevin B. Aptowicz & Piotr Habdas & Andrea J. Liu & Sidney R. Nagel & Arjun G. Yodh, 2009. "Thermal vestige of the zero-temperature jamming transition," Nature, Nature, vol. 459(7244), pages 230-233, May.
    • Handle: RePEc:nat:nature:v:459:y:2009:i:7244:d:10.1038_nature07998
    DOI: 10.1038/nature07998
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