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-Nong^{3, †}

Time evolution of the modulus of the solution for nonintegrable discrete NLS scheme (34). N = 8. (a) α = 1/3, β = 2/3; (b) α = 1/2, β = 1/2; (c) α = 2/3, β = 1/3.