Analytical theory for the dark-soliton interaction in nonlocal nonlinear materials with an arbitrary degree of nonlocality

Qian Kong, Q. Wang, O. Bang, and W. Krolikowski
Phys. Rev. A 82, 013826 – Published 21 July 2010

Abstract

We investigate theoretically the interaction of dark solitons in materials with a spatially nonlocal nonlinearity. In particular we do this analytically and for arbitrary degree of nonlocality. We employ the variational technique to show that nonlocality induces an attractive force in the otherwise repulsive soliton interaction.

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  • Received 24 May 2010

DOI:https://doi.org/10.1103/PhysRevA.82.013826

©2010 American Physical Society

Authors & Affiliations

Qian Kong1,2, Q. Wang2, O. Bang3, and W. Krolikowski1

  • 1Laser Physics Center, Research School of Physics and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia
  • 2Department of Physics, Shanghai University, Shanghai 200444, China
  • 3DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark

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Vol. 82, Iss. 1 — July 2010

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