Kinetics of phase ordering with topological textures.

@article{Zapotocky1995KineticsOP,
  title={Kinetics of phase ordering with topological textures.},
  author={Zapotocky and Zakrzewski},
  journal={Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics},
  year={1995},
  volume={51 6},
  pages={
          R5189-R5192
        }
}
  • Zapotocky, Zakrzewski
  • Published 2 February 1995
  • Physics
  • Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
We study the role played by topological textures and antitextures during the phase ordering of a two-dimensional system described by the discretised nonlinear O(3) sigma model with purely dissipative dynamics. We identify and characterise two distinct mechanisms for the decay of the order parameter variations --- single texture unwinding, and topological charge annihilation. Our results show that while at early times after the quench, the annihilation process dominates, the unwinding processes… 
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