Breathers and Soliton Solutions for a Generalization of the Nonlinear Schrödinger Equation

Figure 1

Evolution of the one-soliton solution of (22). The parameters are (a) 𝜆₁=2,  𝜆₂=4; (b) 𝜆₁=1,  𝜆₂=4.

(a)

(b)