Dynamical Complexity and Multistability in a Novel Lunar Wake Plasma System

Bo. Yan, Punam K. Prasad, Sayan Mukherjee, Asit Saha and Santo Banerjee

Complexity, 2020, vol. 2020, 1-11

Abstract:

Dynamical complexity and multistability of electrostatic waves are investigated in a four-component homogeneous and magnetized lunar wake plasma constituting of beam electrons, heavier ions (alpha particles, He ), protons, and suprathermal electrons. The unperturbed dynamical system of the considered lunar wake plasma supports nonlinear and supernonlinear trajectories which correspond to nonlinear and supernonlinear electrostatic waves. On the contrary, the perturbed dynamical system of lunar wake plasma shows different types of coexisting attractors including periodic, quasiperiodic, and chaotic, investigated by phase plots and Lyapunov exponents. To confirm chaotic and nonchaotic dynamics in the perturbed lunar wake plasma, chaos test is performed. Furthermore, a weighted recurrence-based entropy is implemented to investigate the dynamical complexity of the system. Numerical results show existence of chaos with variation of complexity in the perturbed dynamics.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:5428548

DOI: 10.1155/2020/5428548

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