Planar and nonplanar ion-acoustic envelope solitary waves in a very dense electron-positron-ion plasma

R. Sabry, W.M. Moslem, P.K. Shukla

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Ion-acoustic envelope solitary waves in a very dense plasma comprised of the electrons, positrons and ions are investigated. For this purpose, the quantum hydrodynamic model and the Poisson equation are used. A modified nonlinear Schr¨odinger equation is derived by employing the reductive perturbation method. The effects of the quantum correction and of the positron density on the propagation and stability of the envelope solitary waves are examined. The nonplanar (cylindrical/spherical) geometry gives rise to an instability period. The latter cannot exist for planar case and it affected by the quantum parameters, as well as the positron density. The present investigation is relevant to white dwarfs.
LanguageEnglish
Pages233-240
Number of pages7
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume51
Issue number2
DOIs
Publication statusPublished - 9 Jan 2009

Fingerprint

positrons
envelopes
solitary waves
acoustics
dense plasmas
ions
electrons
hydrodynamics
propagation
geometry

Keywords

  • multicomponent and negative-ion plasmas
  • electrostatic waves and oscillations
  • nonlinear phenomena
  • waves
  • wave propagation

Cite this

@article{d2b4034578624c81bb438a50849ab3b6,
title = "Planar and nonplanar ion-acoustic envelope solitary waves in a very dense electron-positron-ion plasma",
abstract = "Ion-acoustic envelope solitary waves in a very dense plasma comprised of the electrons, positrons and ions are investigated. For this purpose, the quantum hydrodynamic model and the Poisson equation are used. A modified nonlinear Schr¨odinger equation is derived by employing the reductive perturbation method. The effects of the quantum correction and of the positron density on the propagation and stability of the envelope solitary waves are examined. The nonplanar (cylindrical/spherical) geometry gives rise to an instability period. The latter cannot exist for planar case and it affected by the quantum parameters, as well as the positron density. The present investigation is relevant to white dwarfs.",
keywords = "multicomponent and negative-ion plasmas, electrostatic waves and oscillations, nonlinear phenomena, waves, wave propagation",
author = "R. Sabry and W.M. Moslem and P.K. Shukla",
year = "2009",
month = "1",
day = "9",
doi = "10.1140/epjd/e2008-00286-8",
language = "English",
volume = "51",
pages = "233--240",
journal = "European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics",
issn = "1434-6060",
number = "2",

}

Planar and nonplanar ion-acoustic envelope solitary waves in a very dense electron-positron-ion plasma. / Sabry, R.; Moslem, W.M.; Shukla, P.K.

In: European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, Vol. 51, No. 2, 09.01.2009, p. 233-240.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Planar and nonplanar ion-acoustic envelope solitary waves in a very dense electron-positron-ion plasma

AU - Sabry, R.

AU - Moslem, W.M.

AU - Shukla, P.K.

PY - 2009/1/9

Y1 - 2009/1/9

N2 - Ion-acoustic envelope solitary waves in a very dense plasma comprised of the electrons, positrons and ions are investigated. For this purpose, the quantum hydrodynamic model and the Poisson equation are used. A modified nonlinear Schr¨odinger equation is derived by employing the reductive perturbation method. The effects of the quantum correction and of the positron density on the propagation and stability of the envelope solitary waves are examined. The nonplanar (cylindrical/spherical) geometry gives rise to an instability period. The latter cannot exist for planar case and it affected by the quantum parameters, as well as the positron density. The present investigation is relevant to white dwarfs.

AB - Ion-acoustic envelope solitary waves in a very dense plasma comprised of the electrons, positrons and ions are investigated. For this purpose, the quantum hydrodynamic model and the Poisson equation are used. A modified nonlinear Schr¨odinger equation is derived by employing the reductive perturbation method. The effects of the quantum correction and of the positron density on the propagation and stability of the envelope solitary waves are examined. The nonplanar (cylindrical/spherical) geometry gives rise to an instability period. The latter cannot exist for planar case and it affected by the quantum parameters, as well as the positron density. The present investigation is relevant to white dwarfs.

KW - multicomponent and negative-ion plasmas

KW - electrostatic waves and oscillations

KW - nonlinear phenomena

KW - waves

KW - wave propagation

UR - http://dx.doi.org/10.1140/epjd/e2008-00286-8

U2 - 10.1140/epjd/e2008-00286-8

DO - 10.1140/epjd/e2008-00286-8

M3 - Article

VL - 51

SP - 233

EP - 240

JO - European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics

T2 - European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics

JF - European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics

SN - 1434-6060

IS - 2

ER -