Smooth Positons of the Second-Type Derivative Nonlinear Schrödinger Equation

Shu-Zhi Liu,Yong-Shuai Zhang,Jing-Song He

Fig. 3 (Color online) The evolution of fundamental b-position solution of DNLSII equation. (a) The 3-D structure. (b) The density profile. (c) The profile of the central region of (a), which is similar to the second order rogue wave.