Vertical pairing of identical particles suspended in the plasma sheath
arXiv:nlin/0104048 · doi:10.1103/PhysRevLett.86.4540
Abstract
It is shown experimentally that vertical pairing of two identical microspheres suspended in the sheath of a radio-frequency (rf) discharge at low gas pressures (a few Pa), appears at a well defined instability threshold of the rf power. The transition is reversible, but with significant hysteresis on the second stage. A simple model, which uses measured microsphere resonance frequencies and takes into account besides Coulomb interaction between negatively charged microspheres also their interaction with positive ion wake charges, seems to explain the instability threshold quite well.
arXiv comment4 pages, 6 figures. to appear in Phys. Rev. Lett. 86, May 14th (2001)
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Cited by in corpus (20)
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