Generation of wakefields by electromagnetic waves in a magnetized electron-positron-ion plasma

P.K. Shukla

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The generation of electrostatic wakefields by an ordinary mode radiation and a magnetic field-aligned circularly polarized electromagnetic (CPEM) wave in a magnetized electron-positron-ion (e-p-i) plasma is considered. It is found that the presence of the ions is essential for the generation of upper-hybrid wakefields by the ordinary mode radiation, while the magnetic field-aligned electron plasma wakefields are created by the ponderomotive force of CPEM only if either the ions or the external magnetic field is present in an e-p-i magnetoplasma. The electromagnetic wave generated wakefields can trap both the electrons and the positrons and accelerate them to very high energies.
LanguageEnglish
Pages1-8
Number of pages7
JournalPlasma Physics and Controlled Fusion
Volume51
Issue number2
DOIs
Publication statusPublished - Feb 2009

Fingerprint

Positrons
Electromagnetic waves
positrons
electromagnetic radiation
Magnetic fields
Plasmas
Electrons
Ions
magnetic fields
Radiation
Electron traps
ions
ponderomotive forces
electrons
radiation
Electrostatics
traps
electrostatics
energy

Keywords

  • wakefields
  • electromagnetic waves
  • magnetized electron-positron
  • ion plasma

Cite this

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abstract = "The generation of electrostatic wakefields by an ordinary mode radiation and a magnetic field-aligned circularly polarized electromagnetic (CPEM) wave in a magnetized electron-positron-ion (e-p-i) plasma is considered. It is found that the presence of the ions is essential for the generation of upper-hybrid wakefields by the ordinary mode radiation, while the magnetic field-aligned electron plasma wakefields are created by the ponderomotive force of CPEM only if either the ions or the external magnetic field is present in an e-p-i magnetoplasma. The electromagnetic wave generated wakefields can trap both the electrons and the positrons and accelerate them to very high energies.",
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Generation of wakefields by electromagnetic waves in a magnetized electron-positron-ion plasma. / Shukla, P.K.

In: Plasma Physics and Controlled Fusion, Vol. 51, No. 2, 02.2009, p. 1-8.

Research output: Contribution to journalArticle

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AB - The generation of electrostatic wakefields by an ordinary mode radiation and a magnetic field-aligned circularly polarized electromagnetic (CPEM) wave in a magnetized electron-positron-ion (e-p-i) plasma is considered. It is found that the presence of the ions is essential for the generation of upper-hybrid wakefields by the ordinary mode radiation, while the magnetic field-aligned electron plasma wakefields are created by the ponderomotive force of CPEM only if either the ions or the external magnetic field is present in an e-p-i magnetoplasma. The electromagnetic wave generated wakefields can trap both the electrons and the positrons and accelerate them to very high energies.

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KW - electromagnetic waves

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KW - ion plasma

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