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 3D and 2D intensities of the bright (b1 = a0) and dark (b1 = −a0) solitary wave solutions Eq. (28) with the parameters P = −Q = 1, s1 = −1, s2 = −2, a0 = 0.5, and −40 ˂ x ˂ 40: (a) 0 ˂ T ˂ 20, (b) T = 0.