TY - JOUR
T1 - Charge on the dust in the plasma
AU - Pandey, B. P.
AU - Vladimirov, S. V.
AU - Samarian, A. A.
N1 - 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
PY - 2011/1/6
Y1 - 2011/1/6
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=78751532853&partnerID=8YFLogxK
U2 - 10.1103/PhysRevE.83.016401
DO - 10.1103/PhysRevE.83.016401
M3 - Article
C2 - 21405778
AN - SCOPUS:78751532853
SN - 1539-3755
VL - 83
SP - 1
EP - 5
JO - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
JF - Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
IS - 1
M1 - 016401
ER -