Two-Dimensional Nonlinear Propagation of Ion Acoustic Waves through KPB and KP Equations in Weakly Relativistic Plasmas

Figure 7

Variation of with respect to and for the different values of thermal parameter and electron to positron temperature ratio, that is, (a) , , (b) , , and (c) , taking , , and . (d) Variation of for and considering , , , , , and .

(a)

(b)

(c)

(d)