Solitary wave for a nonintegrable discrete nonlinear Schrödinger equation in nonlinear optical waveguide arrays
Ma Li-Yuan1, Ji Jia-Liang2, Xu Zong-Wei3, Zhu Zuo-Nong3, †
       

(color online) Stationary solitons with ωs = 1, β = 1, α = −0.4. (a) Fourier space. (b) Physical space. The property of nonlinear hopping α is displayed in panel (b). The value of | F ( nh ) | tends to be zero as | n | → ∞ in physical space. Black: h = 0.25; green: h = 0.5.