Ion acoustic kinetic Alfvén dressed and breather solitons in two temperature electrons plasma

A study of nonlinear kinetic Alfvénic structures is presented in a collisionless magnetized plasma with two-temperature electrons (cold and hot) following the Tsallis distribution, and ions are considered as a fluid. The reductive perturbation method is employed to derive the Korteweg-de Vries (KdV) equation. The KdV-type inhomogeneous equation is also derived to analyse the contribution of higher-order effects (nonlinearity and dispersion). Using the solution to these nonlinear equations, the dynamics of kinetic Alfvénic solitons in the presence of higher-order corrections has been examined to see the formation of dressed solitons. Additionally, in order to study the behaviour of kinetic Alfvénic breathers, the nonlinear Schrödinger equation (NLSE) is derived from the KdV equation and the propagation properties of several forms of breathers have been investigated by examining the NLSE solutions. The profiles of different kinds of nonlinear Alfvén structures such as dressed and breathers solitons have been described under the influence of different plasma parameters. The results of the current study may be helpful to better comprehend the underlying physics of kinetic Alfvénic structures that exist in space/astrophysical plasma environments, such as Saturn’s magnetosphere.