Nonlinear ion-acoustic waves and solitons in a magnetized plasma

A unified formulation is presented to study the nonlinear low-frequency electrostatic waves in a magnetized low-b plasma. It is found that there exist three types of nonlinear waves; (i) nonlinear ion-cyclotron periodic waves with a wave speed Vp≳Cs (ion-acoustic velocity); (ii) nonlinear ion-acoustic periodic waves with Vp