Properties of electrostatic waves in ultracold neutral plasmas

被引：27

作者：

Shukla, P. K. ^{[1
,2
,3
,4
,5
,6
]}

机构：

[1] Ruhr Univ Bochum, Fak Phys & Astron, Inst Theoret Phys, D-44780 Bochum, Germany

[2] Umea Univ, Dept Phys, SE-90187 Umea, Sweden

[3] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland

[4] Univ Tecn Lisboa, Inst Super Tecn, GoLP Inst Plasmas Fusao Nucl, P-1049001 Lisbon, Portugal

[5] Univ KwaZulu Natal, Sch Phys, ZA-4000 Durban, South Africa

[6] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany

来源：

PHYSICS LETTERS A | 2010年 / 374卷 / 35期

关键词：

LOW-FREQUENCY MODES; COLLOIDAL PLASMAS; DUSTY;

D O I：

10.1016/j.physleta.2010.07.013

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Properties of electrostatic waves in ultracold neutral plasmas (UNPs) are examined, taking accounting the polarization force arising from interactions between the thermal electrons and strongly coupled ions. It is found that the polarization force reduces the phase speed of the modified dispersive ion-acoustic (M-DIA) wave in UNPs. Possibility of the ion-lattice formation in the presence of the M-DIA wave is discussed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3656 / 3657

页数：2

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