Exact solitary wave solutions of a nonlinear Schrödinger equation model with saturable-like nonlinearities governing modulated waves in a discrete electrical lattice
Yamgoué Serge Bruno1, †, Deffo Guy Roger2, Tala-Tebue Eric3, Pelap François Beceau2
       

(color online) The three-dimensional and two-dimensional intensities of the kink (a1 = a0) and anti-kink (a1 = −a0) solitary wave solutions of Eq. (25) with the parameters chosen as P = Q = 1, s1 = −1, s2 = −2, a0 = 0.4, and −20 ˂ x ˂ 20: (a) 0 ˂ T ˂ 6, (b) T = 0.