Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2005-09-12
Physical Review Letters, V.95, 113901 (2005)
Nonlinear Sciences
Pattern Formation and Solitons
16 pages, 4 figures
Scientific paper
10.1103/PhysRevLett.95.113901
We address the impact of nonlocality in the physical features exhibited by solitons supported by Kerr-type nonlinear media with an imprinted optical lattice. We discover that nonlocality of nonlinear response can profoundly affect the soliton mobility, hence all the related phenomena. Such behavior manifests itself in significant reductions of the Peierls-Nabarro potential with increase of the degree of nonlocality, a result that opens the rare possibility in nature of almost radiationless propagation of highly localized solitons across the lattice.
Kartashov Yaroslav V.
Torner Lluis
Xu Zhiyong
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