Discrete reduced-symmetry solitons and second-band vortices in two-dimensional nonlinear waveguide arrays
Johansson, Magnus ; Sukhorukov, Andrey A ; Kivshar, Yuri S
Physical review. E, Statistical, nonlinear, and soft matter physics, 2009-10, Vol.80 (4 Pt 2), p.046604-046604, Article 046604United States
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