Abstract
The dynamics of a plasma crystal under the action of random external forces is considered. The pair correlation functions of the particle displacements are calculated in the harmonic approximation by using the Langevin equations. The case of a planar hexagonal lattice is analyzed in more detail. Analogues of the Van Hove singularities in the spectral densities are discovered.
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Original Russian Text © A.M. Ignatov, 2017, published in Fizika Plazmy, 2017, Vol. 43, No. 6, pp. 560–568.
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Ignatov, A.M. Brownian motion of a plasma crystal. Plasma Phys. Rep. 43, 659–667 (2017). https://doi.org/10.1134/S1063780X17060095
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DOI: https://doi.org/10.1134/S1063780X17060095