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Oscillations in a chain of rod-shaped colloidal particles in a plasma
1Department of Theoretical Physics, School of Physics, The University of Sydney, New South Wales 2006, Australia. S.Vladimirov@physics.usyd.edu.au
Abstract:
Oscillations in the one-dimensional chain consisting of rotatorlike particles levitating in a plasma are studied. General equations of motion for such a chain are derived. It is demonstrated that new oscillation modes associated with the rotational degrees of freedom appear for such a configuration. The dispersion characteristics of the modes are analyzed. Collective oscillations and equilibrium in lattices composed of cylindrical particles in a plasma are discussed.