Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples

P.K. Shukla

doi:10.1016/j.physleta.2009.03.024

Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples

P.K. Shukla

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

It is shown that the dust ion-acoustic (DIA) and dust acoustic (DA)-like perturbations can be excited by the electron density and ion density ripples, respectively. For this purpose, we use the relevant equations for the DIA and DA-like disturbances and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that both the DIA and DA-like mode can be driven on account of the free energy in the plasma density ripples.

Original language	English
Pages (from-to)	1768-1770
Number of pages	2
Journal	Physics Letters A
Volume	373
Issue number	20
DOIs	https://doi.org/10.1016/j.physleta.2009.03.024
Publication status	Published - 27 Apr 2009

Keywords

waves
dust ion-acoustic
dust acoustic-like
plasma
density ripples

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10.1016/j.physleta.2009.03.024

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title = "Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples",

abstract = "It is shown that the dust ion-acoustic (DIA) and dust acoustic (DA)-like perturbations can be excited by the electron density and ion density ripples, respectively. For this purpose, we use the relevant equations for the DIA and DA-like disturbances and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that both the DIA and DA-like mode can be driven on account of the free energy in the plasma density ripples.",

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AU - Shukla, P.K.

PY - 2009/4/27

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N2 - It is shown that the dust ion-acoustic (DIA) and dust acoustic (DA)-like perturbations can be excited by the electron density and ion density ripples, respectively. For this purpose, we use the relevant equations for the DIA and DA-like disturbances and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that both the DIA and DA-like mode can be driven on account of the free energy in the plasma density ripples.

AB - It is shown that the dust ion-acoustic (DIA) and dust acoustic (DA)-like perturbations can be excited by the electron density and ion density ripples, respectively. For this purpose, we use the relevant equations for the DIA and DA-like disturbances and derive the standard Mathieu equation. The latter admits unstable solutions, demonstrating that both the DIA and DA-like mode can be driven on account of the free energy in the plasma density ripples.

KW - waves

KW - dust ion-acoustic

KW - dust acoustic-like

KW - plasma

KW - density ripples

UR - http://dx.doi.org/10.1016/j.physleta.2009.03.024

U2 - 10.1016/j.physleta.2009.03.024

DO - 10.1016/j.physleta.2009.03.024

M3 - Article

SN - 0375-9601

VL - 373

SP - 1768

EP - 1770

JO - Physics Letters A

JF - Physics Letters A

IS - 20

ER -

Excitation of the dust ion-acoustic and dust acoustic-like perturbations by plasma density ripples

Abstract

Keywords

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