Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

Sarma Ridip¹, Misra Amar P², Adhikary Nirab C^{3, †}

(color online) The soliton width Δ is plotted with respect to the positron concentration μ_b along with variable positron temperature α, where α is 0.2, 0.4, and 0.6 for blue dotted, red dashed, and green bold lines, respectively, and other plasma parameters are c₁ = 10³, , σ = 0.1, β₁ = 0.005, and β₂ = 0.0054.