Fisher, R. ; Avinash, K. ; Thomas, E. ; Merlino, R. ; Gupta, V. (2013) Thermal energy density of dust in dusty plasmas: experiment and theory Physical Review E, 88 (3). Article ID 031101(R). ISSN 1539-3755
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Official URL: http://journals.aps.org/pre/abstract/10.1103/PhysR...
Related URL: http://dx.doi.org/10.1103/PhysRevE.88.031101
Abstract
A surprising observation in dusty plasma experiments is that the dust thermal energy density, Pd ∝ ndTd is typically much greater than ndTn (where nd and Td are the dust density and temperature, and Tn is the neutral temperature), even though the dust particles would be expected to be in thermal equilibrium with the neutrals. We show here, theoretically and experimentally, that the anomalously high dust thermal energy density can be accounted for if electrostatic interactions between the dust particles and the background plasma are taken into account. Thus, the dust pressure in dusty plasma is mostly of electrostatic origin.
Item Type: | Article |
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Source: | Copyright of this article belongs to The American Physical Society. |
ID Code: | 102839 |
Deposited On: | 09 Mar 2018 10:42 |
Last Modified: | 09 Mar 2018 10:42 |
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