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Effective interaction potential of dust particles in a plasma from experimental pair correlation functions

Published online by Cambridge University Press:  17 July 2009

T. S. RAMAZANOV ,
K. N. DZHUMAGULOVA ,
T. T. DANIYAROV ,
Yu. A. OMARBAKIYEVA ,
S. K. KODANOVA  and
M. K. DOSBOLAYEV
T. S. RAMAZANOV
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
K. N. DZHUMAGULOVA
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
T. T. DANIYAROV
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
Yu. A. OMARBAKIYEVA
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
S. K. KODANOVA
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
M. K. DOSBOLAYEV
Affiliation:
IETP, al Farabi Kazakh National University, 96a, Tole bi, Almaty, 050012, Republic of Kazakhstan (ramazan@physics.kz)
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Abstract

Interaction between dust particles in a plasma is investigated on the basis of experimental pair correlation functions of dust formation in a dc glow discharge and the Poisson equation. It is shown that the calculated effective potentials have an oscillating character and depend rather weakly on macroscopic parameters of the plasma. Existence of an attractive component in the interaction of dust particles is confirmed within the validity range of our model.

Type
Papers
Information
Journal of Plasma Physics , Volume 76 , Issue 1 , February 2010 , pp. 57 - 66
Copyright
Copyright © Cambridge University Press 2009

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