Direct Determination of Dynamic Properties of Coulomb and Yukawa Classical One-Component Plasmas

被引：40

作者：

Arkhipov, Yu. V. ^{[1
]}

Askaruly, A. ^{[1
]}

Davletov, A. E. ^{[1
]}

Dubovtsev, D. Yu. ^{[1
]}

Donko, Z. ^{[2
]}

Hartmann, P. ^{[2
]}

Korolov, I. ^{[2
]}

Conde, L. ^{[3
]}

Tkachenko, I. M. ^{[4
]}

机构：

[1] Al Farabi Kazakh Natl Univ, Fac Phys & Technol, IETP, Al Farabi 71, Alma Ata 050040, Kazakhstan

[2] Hungarian Acad Sci, Inst Solid State Phys & Opt, Wigner Res Ctr Phys, POB 49, H-1525 Budapest, Hungary

[3] Univ Politecn Madrid, ETSIA, Dept Fis Aplicada Ingn Aeronaut, Pl Cardenal Cisneros 3, E-28040 Madrid, Spain

[4] Univ Politecn Valencia, Dept Matemat Aplicada, Camino Vera S-N, E-46022 Valencia, Spain

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 04期

关键词：

COUPLED DUSTY PLASMAS; ROTON MINIMUM; CRYSTALLIZATION; CRYSTALS; LIQUIDS; FLUIDS; MODES; DISPERSION; MOMENTS; SYSTEMS;

D O I：

10.1103/PhysRevLett.119.045001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dynamic characteristics of strongly coupled classical one-component Coulomb and Yukawa plasmas are obtained within the nonperturbative model-free moment approach without any data input from simulations so that the dynamic structure factor (DSF) satisfies the first three nonvanishing sum rules automatically. The DSF, dispersion, decay, sound speed, and other characteristics of the collective modes are determined using exclusively the static structure factor calculated from various theoretical approaches including the hypernetted chain approximation. A good quantitative agreement with molecular dynamics simulation data is achieved.

引用

页数：6

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