Dust ion-acoustic shock-wave structures: Theory and laboratory experiments |
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Authors: | S I Popel A P Golub’ T V Losseva |
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Institution: | (1) Institute of Geosphere Dynamics, Leninskii pr. 38-6, Moscow, 117334, Russia |
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Abstract: | An evolutionary theoretical model is developed that describes dust ion-acoustic shock waves in dusty plasma consisting of ions (treated in the hydrodynamic approximation), Boltzmann electrons, and variable-charge dust grains. Account is taken not only of ionization, absorption, momentum loss by electrons and ions in collisions with dust grains, and gas-kinetic pressure effects but also of the processes peculiar to laboratory plasmas. It is shown that the model is capable of describing all the main experimental results on dust ion-acoustic shock waves Q.-Z. Luo et al., Phys. Plasmas 6, 3455 (1999); Y. Nakamura et al., Phys. Rev. Lett., 83, 1602 (1999)]. |
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