Electrostatic baryonic solitary waves in ambiplasma with nonextensive leptons

The nonlinear wave structures of baryon acoustic waves in ambiplasma consisting of baryons (positive and negative ions), and nonextensive leptons (electrons and positrons) are theoretically investigated by employing a pseudo-potential approach, which is valid for arbitrary amplitude structures. The propagation of small but finite amplitude solitary structures is also examined by using the reductive perturbation method. The presence of nonextensive q-distributed electrons and positrons has shown to influence the soliton structure quite significantly. From the analysis of our results it is shown that the present plasma model supports the coexistence of both the compressive and rarefactive solitons. Our present analysis should be useful for understanding the collective interactions in astronomical, space and laboratory plasmas such as capsule implosion, shock tube, star formation and supernova explosion.