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Influence of the ion wake-field on the eikonal cross section for the electron–dust collision in dusty plasmas

Published online by Cambridge University Press:  26 April 2012

YOUNG-DAE JUNG  and
WOO-PYO HONG
YOUNG-DAE JUNG
Affiliation:
Department of Applied Physics, Hanyang University, Ansan, Kyunggi-Do 426-791, South Korea Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY 12180-3590, USA (ydjung@hanyang.ac.kr)
WOO-PYO HONG
Affiliation:
Department of Electronics Engineering, Catholic University of Daegu, Hayang, Gyongsan, Gyungbuk 712-702, South Korea
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Abstract

The ion wake-field effects on the elastic electron–dust collisions are investigated in complex dusty plasmas. The eikonal method is employed to investigate the behaviors of the scattering phase shift and scattering cross section due to the variation of the strength of the wake-field. It is shown that the eikonal phase shift decreases with an increase of the Mach number and increases with an increase of the impact parameter. It is also shown that the eikonal phase shift decreases with increasing Debye length. The eikonal cross section for the elastic electron–dust collision is found to be increased due to the influence of the wake-field. In addition, it is found that the wake-field effect on the eikonal cross section is almost independent of the Debye length.

Type
Papers
Information
Journal of Plasma Physics , Volume 78 , Issue 5 , October 2012 , pp. 559 - 563
Copyright
Copyright © Cambridge University Press 2012

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