Abstract
Various nonlinear dynamical behaviors are experimentally observed to exist in magnetized dc glow discharge plasma. Nonlinear plasma fluctuations are seen evolving when the initial parameters such as discharge voltage, filling pressures, etc are changed in the presence of external magnetic field. A transition pattern of chaotic to quasiperiodicity is experimentally observed when a magnetic field is applied, which is not the case in the un-magnetized one. Hence, a comparative analysis is being conducted for both the cases of magnetized and un-magnetized plasma. The nonlinear behavior of the plasma oscillations are diagnosed by different techniques namely: power spectrum, phase space plotting, correlation dimension, Liapunov exponent, fractal dimension and Hurst exponent. Furthermore, it is noticed that with increasing discharge voltage, the glow emerges from the cathode, slowly moves toward the anode and finally sinks into the anode in a ballooning manner.
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