Dynamical Complexity and Multistability in a Novel Lunar Wake Plasma System
作者： Bo Yan , Punam K Prasad , Sayan Mukherjee , Asit Saha , Santo Banerjee
DOI: 10.1155/2020/5428548
关键词: Attractor 、 Nonlinear system 、 Lyapunov exponent 、 Plasma 、 Chaotic 、 Classical mechanics 、 Wake 、 Multistability 、 Physics 、 Quasiperiodic function
摘要: Dynamical complexity and multistability of electrostatic waves are investigated in a four-component homogeneous magnetized lunar wake plasma constituting beam electrons, heavier ions (alpha particles, He ), protons, suprathermal electrons. The unperturbed dynamical system the considered supports nonlinear supernonlinear trajectories which correspond to waves. On contrary, perturbed shows different types coexisting attractors including periodic, quasiperiodic, chaotic, by phase plots Lyapunov exponents. To confirm chaotic nonchaotic dynamics plasma, chaos test is performed. Furthermore, weighted recurrence-based entropy implemented investigate system. Numerical results show existence with variation dynamics.
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