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Glass-Based Devices to Generate Drops and Emulsions
08:45

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Published on: April 5, 2022

Glass transition for driven granular fluids.

W Till Kranz1, Matthias Sperl, Annette Zippelius

  • 1Max-Planck-Institut für Dynamik und Selbstorganisation, Bunsenstrasse 10, 37073 Göttingen, Germany.

Physical Review Letters
|September 28, 2010
PubMed
Summary
This summary is machine-generated.

This study explores the glass transition in driven, dissipative hard spheres. Increasing dissipation shifts this transition to higher densities, persisting even with strong driving.

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An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
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An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Area of Science:

  • Physics
  • Soft Matter Physics
  • Statistical Mechanics

Background:

  • Understanding the behavior of granular materials and dense particle systems is crucial.
  • Glass transitions are fundamental phenomena in condensed matter physics.

Purpose of the Study:

  • To investigate the influence of dissipation and driving on the glass transition in hard sphere systems.
  • To explore the predictions of mode-coupling theory for driven dissipative systems.

Main Methods:

  • Utilizing mode-coupling theory (MCT) to model the system dynamics.
  • Simulating a system of dissipative hard spheres with normal restitution.
  • Applying bulk driving to individual particles.

Main Results:

  • A glass transition is predicted at a finite transition density.
  • Increased dissipation shifts the glass transition to higher densities.
  • The transition persists even at high dissipation levels, up to totally inelastic collisions.

Conclusions:

  • Dissipation plays a significant role in determining the glass transition density.
  • Mode-coupling theory provides a valid framework for studying driven dissipative systems.
  • The glass transition is a robust phenomenon, observable across a range of dissipative conditions.