DEFECTS

• I. DEFECTS OF STRAIGHT ROLL PATTERNS
  • Order parameters, broken symmetry and topology

  • Rayleigh-Benard convection

  • Sand patterns

  • Fish skin patterns

• II. CLASSIFICATION OF DEFECTS
  • Dislocations

  • Spirals

  • Disclinations

  • Penta-Hepta pairs in hexagonal patterns

• III. OTHER PATTERNS
  • Faraday experiment

  • Diffraction patterns