Abstract

Low temperature structures and dynamics of Yukawa particles in systems with cylindrical symmetry are analyzed by theory and numerical simulations. Particles are organized into well‐defined thin concentric shells forming triangular lattices with defects on each shell and structural parameters are expressed by simple interpolation formulas including the limiting case of Coulomb particles. In the case of mixtures, different components form separate shells in the alternating order; A shell in the one‐component case is separated into a smaller shell of larger charges and a larger shell of smaller charges. Under the force field along the cylindrical axis, the electric field for example, the relative motion between different components can be induced. The mobility associated with relative motion is estimated and, when appropriate conditions are satisfied, the system creates a ‘screw’ composed of fine particles.

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