Two-dimensional nonlocal multisolitons

Details Two-dimensional nonlocal multisolitons Two-dimensional nonlocal multisolitons

2006-07-27

arxiv.org/abs/nlin/0607062v3

Nonlinear Sciences

Pattern Formation and Solitons

8 pages, 6 figures, Submitted to Phys. Lett. A

Scientific paper

10.1016/j.physleta.2007.02.042

We study the bound states of two-dimensional bright solitons in nonlocal nonlinear media. The general properties and stability of these multisolitary structures are investigated analytically and numerically. We have found that a steady bound state of coherent nonrotating and rotating solitary structures (azimuthons) can exist above some threshold power. A dipolar nonrotating multisoliton occurs to be stable within the finite range of the beam power. Azimuthons turn out to be stable if the beam power exceeds some threshold value. The bound states of three or four nonrotating solitons appear to be unstable.

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