Chaotic-to-ordered state transition of cathode-sheath instabilities in DC glow discharge plasmas |
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Authors: | M D Nurujjaman A N Sekar Iyengar |
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Institution: | (1) Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, 700 064 Kolkata, India |
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Abstract: | Transition from chaotic to ordered state has been observed during the initial stage of a discharge in a cylindrical DC glow
discharge plasma. Initially it shows a chaotic behavior but increasing the discharge voltage changes the characteristics of
the discharge glow and shows a period subtraction of order 7 period → 5 period → 3 period → 1 period, i.e. the system goes
to single mode through odd cycle subtraction. On further increasing the discharge voltage, the system goes through period
doubling, like 1 period → 2 period → 4 period. On further increasing the voltage, the system goes to stable state through
two period subtraction, like 4 period → 2 period → stable. |
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Keywords: | Cathode-sheath instabilities chaos period subtraction bifurcation DC discharge |
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