Multisoliton solutions with even numbers and its generated solutions for nonlocal Fokas-Lenells equation
Rong Fan,Zhao Zhang,Biao Li
Figure 4. Interaction between two first-order smooth positons ${q}_{n-n-\mathrm{semipos}}$ with parameters $a=\tfrac{1}{3},b=1$ (a) ${q}_{1-1-\mathrm{semipos}}$ with parameters ${\lambda }_{1}=\tfrac{1}{3}-\tfrac{1}{3}\,\sqrt{10},{\lambda }_{2}=\tfrac{1}{3}+\tfrac{1}{3}\,\sqrt{10};$ (b) density plot of (a); (c) ${q}_{2-2-\mathrm{semipos}}$ with parameters ${\lambda }_{1}=\tfrac{1}{3}-\tfrac{1}{3}\,\sqrt{10},{\lambda }_{2}=\tfrac{1}{3}+\tfrac{1}{3}\,\sqrt{10}$.