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Wake potentials in plasmas containing elongated dust rods

Published online by Cambridge University Press:  29 July 2003

M. SALIMULLAH ,
P. K. SHUKLA  and
G. E. MORFILL
M. SALIMULLAH
Affiliation:
Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany Permanent address: Department of Physics, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh ([email protected]).
P. K. SHUKLA
Affiliation:
Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany Also at the Department of Plasma Physics, Umeå University SE-90187 Umeå, Sweden, and the Centre for Interdisciplinary Plasma Science, Max-Planck Institut für Extraterrestrische Physik und Plasmaphysik, D-85740 Garching, Germany ([email protected]).
G. E. MORFILL
Affiliation:
Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany Max-Planck Institut für Extraterrestrische Physik, D-85740, Garching, Germany ([email protected]).
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Abstract

We study interaction potentials in unmagnetized as well as magnetized dusty plasmas composed of electrons, ions, and elongated charged dust rods. By using appropriate dielectric constants for coupled dipole oscillons and dust acoustic waves and the test particle approach, we determine the Debye–Hückel and dynamical oscillatory wake potentials. The relevance of our investigation to the alignment of dust rods in laboratory dusty plasmas is pointed out.

Type
Papers
Information
Journal of Plasma Physics , Volume 69 , Issue 4 , August 2003 , pp. 363 - 369
Copyright
2003 Cambridge University Press

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