Electrostatic sheath at the boundary of a collisional dusty plasma |
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Authors: | S K Baishya G C Das Joyanti Chutia |
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Institution: | (1) Plasma Physics Division, Institute of Advanced Study in Science and Technology, 781 022 Khanapara, Guwahati, India;(2) Department of Physics, Cotton College, 781 001 Guwahati, India |
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Abstract: | Considering the Boltzmann response of the ions and electrons in plasma dynamics and inertial dynamics of the dust charged
grains in a highly collisional dusty plasma, the nature of the electrostatic potential near a boundary is investigated. Based
on the fluid approximation, the formation as well as the characteristic behaviours of the sheath is studied. It is expected
that the presence of dust charged grains will lead to a very different behaviour of the sheath as compared to that of electron-ion
plasma. Moreover, the collisions of the dust charged grains with the neutrals are expected to exhibit novel features. |
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Keywords: | Dusty plasmas sheath dust grains |
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