Collapse arrest and soliton stabilization in nonlocal nonlinear media.

  title={Collapse arrest and soliton stabilization in nonlocal nonlinear media.},
  author={Ole Bang and Wieslaw Kr{\'o}likowski and John Wyller and Jens Juul Rasmussen},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={66 4 Pt 2},
We investigate the properties of localized waves in cubic nonlinear materials with a symmetric nonlocal nonlinear response of arbitrary shape and degree of nonlocality, described by a general nonlocal nonlinear Schrödinger type equation. We prove rigorously by bounding the Hamiltonian that nonlocality of the nonlinearity prevents collapse in, e.g., Bose-Einstein condensates and optical Kerr media in all physical dimensions. The nonlocal nonlinear response must be symmetric and have a positive… CONTINUE READING
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