Breathing-mode resonance of a complex plasma disk

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We have experimentally characterized the breathing mode oscillation of a strongly-coupled, dusty plasma disk. Steady-state oscillations are excited by sinusoidally modulating the plasma density, creating a single-frequency, in-plane driving force. Resonance curves agree well with damped harmonic oscillator theory. A response at the second harmonic is observed and found to increase with the square of the driving force, indicating a quadratic nonlinearity. © 2004 Elsevier B.V.




Sheridan, T. E., Buckey, C. R., Cox, D. J., Merrill, R. J., & Theisen, W. L. (2004). Breathing-mode resonance of a complex plasma disk. Physics Letters, Section A: General, Atomic and Solid State Physics, 329(1–2), 88–93.

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