Charge on the dust in the plasma

B. P. Pandey, S. V. Vladimirov, A. A. Samarian

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10 Citations (Scopus)
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Abstract

The grain in the plasma gets charged until the net plasma flux to the grain surface vanishes. In the absence of any analytical formula, this ambipolar condition is utilized to compute the grain charge indirectly. The present work proposes an approximate analytical expression for the grain charge that is exact in the asymptotic limit and in which the relative error between analytical and numerically computed solutions is less than 3%. Using this formula, we show that, much like the plasma sheath, the Bohm criterion is satisfied near the dust surface.

Original languageEnglish
Article number016401
Pages (from-to)1-5
Number of pages5
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume83
Issue number1
DOIs
Publication statusPublished - 6 Jan 2011

Bibliographical note

Pandey, B. P., Vladimirov, S. V. & Samarian, A. A. Physical review E. Statistical, nonlinear and soft matter physics, 83(1), 016401, 2011. Copyright 2011 by the American Physical Society. The original article can be found at http://dx.doi.org/10.1103/PhysRevE.83.016401

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