Superperiodicity, chaos and coexisting orbits of ion-acoustic waves in a four-component nonextensive plasma. (15th October 2020)

• Record Type: Journal Article
• Authors: Saha, Asit; Tamang, Jharna; Wu, Guo-Cheng; Banerjee, Santo
• Is Part Of: Communications in theoretical physics. Volume 72:Number 11(2020)
• Publication Date: 2020-10-15
• Subjects: dynamical system -- supernonlinear periodic wave -- quasiperiodicity -- multistability; Physics -- Periodicals; 530.105
• DOI: 10.1088/1572-9494/aba256
• Languages: English
• ISSNs: 0253-6102

Abstract

Abstract: Superperiodicity, chaos and coexisting orbits of ion-acoustic waves (IAWs) are studied in a multi-component plasma consisting of fluid ions, q -nonextensive cold and hot electrons and Maxwellian hot positrons. The significant impacts of the system parameters on superperiodic and nonlinear periodic IAWs are presented. Considering an external periodic perturbation various types of quasiperiodic and chaotic features for IAWs are studied in different parametric ranges through time series' plots, phase spaces and Lyapunov exponents. It has been observed that there exist some coexisting orbits for IAWs. Coexisting orbits for IAWs in a classical electron–positron–ion plasma system are reported.