The effective interaction potentials between dusty particles were reconstructed by the Shommers technique (W. Schommers, Phys. Rev. A 28, 3599 (1983)) on the basis of recent measurements in dusty plasma. The potentials have both repulsive and attractive parts. The form of the potentials varies with density and also depends on the dimensions of the dusty particle structure. The Yukawa potential can fit the repulsive part of the potentials at relatively high densities.
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