Collective and static properties of model two-component plasmas

Details Collective and static properties of model two-component plasmas Collective and static properties of model two-component plasmas

2007-10-16

arxiv.org/abs/0710.2996v1

Phys. Rev. E 76, 026403 (2007)

Physics

Plasma Physics

25 pages, 6 figures, 5 tables. Published in Physical Review E http://link.aps.org/abstract/PRE/v76/e026403

Scientific paper

10.1103/PhysRevE.76.026403

Classical MD data on the charge-charge dynamic structure factor of two-component plasmas (TCP) modeled in Phys. Rev. A 23, 2041 (1981) are analyzed using the sum rules and other exact relations. The convergent power moments of the imaginary part of the model system dielectric function are expressed in terms of its partial static structure factors, which are computed by the method of hypernetted chains using the Deutsch effective potential. High-frequency asymptotic behavior of the dielectric function is specified to include the effects of inverse bremsstrahlung. The agreement with the MD data is improved, and important statistical characteristics of the model TCP, such as the probability to find both electron and ion at one point, are determined.

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