期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 26, 页码 6026-6029出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.6026
关键词
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The wave dispersion relations in the fluid phase of Yukawa systems are obtained from molecular dynamics (MD) simulations for a wide range of the parameters. The Yukawa system is a collection of particles interacting through Yukawa (i.e., screened Coulomb) potentials, which can serve as a simple model for dusty plasmas. Our simulations have clearly shown that the transverse wave dispersion has a cutoff at a long wavelength even in the case of weak screening. The MD simulation data are compared with earlier theoretical predictions of the Yukawa dispersion relations and the validity of these theories is clarified.
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