Abstract
Dust particles in magnetized plasma have generated considerable interest in the semiconductor industry, plasma crystals, Tokamaks, cosmological events, and so on. Upon introducing dust particles in dc glow discharge plasma, they get charged, and hence, a potential is developed surrounding the same. Coulomb potential or Yukawa potential is taken for the interaction of charged dust particles. The effect of magnetic field along the axis of the chamber and, subsequently, scattering cross section of charged dust particles due to the interaction of magnetic fields have been studied critically in this report. A generalized mathematical model is implemented, to find the scattering cross section of charged dust particles. The scattering parameter is introduced to reduce the complexity involved in the derivation of integral equations. Furthermore, to validate the mathematical model, the simulation of DC glow discharge plasma in COMSOL Multiphysics has been carried out. A rectangle chamber with charged dust particles is introduced and with varying magnetic fields, and the transport of dust particles is recorded. The scattering cross section of dust particles is determined from the velocity profile of dust particles and it has been observed that the scattering cross section decreases with the increase of the magnetic field.
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