Diffusive transport of a 2-D magnetized dusty plasma cloud

AS Katariya and A Das and A Sharma and BB Sahu, PHYSICA D-NONLINEAR PHENOMENA, 476, 134692 (2025).

DOI: 10.1016/j.physd.2025.134692

Transport across a transverse magnetic field of two-dimensional strongly coupled complex (dusty) plasma is studied using molecular dynamics simulations. In the collisionless undamped regime, the dust particles merely show radial pulsations in their position. This has been identified with the gyro motion of the dust particles. However, an additional damping process (which may arise due to dust-neutral collision) results in a diffusive transport. Detailed simulation studies have been carried out to obtain the scaling of the diffusion coefficient with respect to the magnetic field and the collision frequency. These scalings are found to be distinct for the two regimes of omega cd <>nu dn.

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