Dynamics of a thin liquid film with surface rigidity and spontaneous curvature.

  title={Dynamics of a thin liquid film with surface rigidity and spontaneous curvature.},
  author={M. K{\"o}pf and S. Gurevich and T. Wulf and R. Friedrich},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={83 4 Pt 1},
  • M. Köpf, S. Gurevich, +1 author R. Friedrich
  • Published 2011
  • Materials Science, Medicine, Physics
  • Physical review. E, Statistical, nonlinear, and soft matter physics
The effect of rigid surfaces on the dynamics of thin liquid films that are amenable to the lubrication approximation is considered. It is shown that the Helfrich energy of the layer gives rise to additional terms in the time-evolution equations of the liquid film. The dynamics is found to depend on the absolute value of the spontaneous curvature, irrespective of its sign. Due to the additional terms, the effective surface-tension can be negative and an instability at intermediate wavelengths is… Expand
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