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Nematic Order from Phase Synchronization of Shape Oscillations.

Ioannis Hadjifrangiskou1, Sumesh P Thampi1,2, Rahil N Valani1

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This summary is machine-generated.

Deformable particles in oscillatory shear flow develop nematic order through phase synchronization. This synchronized state, unique to deformable particles, offers insights into soft and active matter rheology.

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Area of Science:

  • Soft Matter Physics
  • Rheology
  • Non-Newtonian Fluids

Background:

  • Understanding particle dynamics in complex fluids is crucial for soft and active matter.
  • Previous studies often focused on rigid particles, limiting insights into deformable systems.

Purpose of the Study:

  • To investigate the emergence of nematic order in suspensions of deformable particles under oscillatory shear flow.
  • To elucidate the role of phase synchronization in this ordering phenomenon.

Main Methods:

  • Simulating noninteracting deformable particles subjected to oscillatory shear flow.
  • Analyzing the development of nematic order and phase synchronization.
  • Mapping synchronized regions in the parameter space (amplitude and frequency).

Main Results:

  • Oscillatory shear flow induces nematic order in deformable particle suspensions via phase synchronization.
  • Deformable particles achieve synchronization by modulating aspect ratio and tumbling rate.
  • Synchronized states form stable limit cycles and appear as Arnold tongues in parameter space.

Conclusions:

  • Phase synchronization is a key mechanism for nematic ordering in deformable particle suspensions.
  • The unique behavior of deformable particles enables this synchronization.
  • Results suggest potential for experimental studies using oscillatory shear flow with deformable particles.