New Optical Solitons with Variational Principle and Collective Variable Strategy for Cold Bosons in Zig-Zag Optical Lattices

Figure 1

In these figures, we take , , , , , , , and . For the solution , (a) displays the 3D-plot of with , (b) displays the density plot of the solution , and (c) displays the 2D-plot of with different values of .

(a)

(b)

(c)