We analytically study the Schrödinger type nonlinear evolution equations by improved tan
(Φ (ξ)/2)-expansion method. Explicit solutions are derived, which include optical bright …

The (2+ 1)-dimensional hyperbolic and cubic-quintic nonlinear Schrödinger equations
describe the propagation of ultra-short pulses in optical fibers of nonlinear media. By using …

A improvement of the expansion methods namely the improved\tan\left (\varPhi (ξ)/2\right)
tan Φ (ξ)/2-expansion method for solving the Tzitzéica type nonlinear evolution equations is …

In this paper, we implemented extended exp-φ ξ-expansion method for some exact solutions
of (3+ 1)-dimensional nonlinear Schrödinger equation (NLSE) and coupled nonlinear …

Finding optical soliton solutions to nonlinear partial differential equations has become a
popular topic in recent decades. The primary goal of this study is to identify a diverse …

Objective: The principal purpose of this paper is to examine the perturbed Schrödinger–
Hirota equation with the effect of spatio-temporal dispersion and Kerr law nonlinearity which …

In this paper, the improved tan (Φ (ξ)/2)-expansion method is proposed to seek more
general exact solutions of the new partial differential equation. Being concise and …

In this paper, the perturbed nonlinear Schrödinger equation with dual-power law of
nonlinearity is studied by adopting four mathematical methods namely the Modified …

In this paper, a new auxiliary equation expansion method and its algorithm is proposed by
studying a first order nonlinear ordinary differential equation with a sixth-degree nonlinear …

This paper focus on new optical soliton solutions of a nonlinear Schrödinger equation with
self-frequency shift, and kerr nonlinearity terms. We utilize the extended version of modified …