General foundation for the nonlinear ponderomotive four-force in laser-plasma interactions

Rowlands, T. P. (2006) General foundation for the nonlinear ponderomotive four-force in laser-plasma interactions. Laser And Particle Beams, 24 4: 475-493. doi:10.1017/S0263034606060642


Author Rowlands, T. P.
Title General foundation for the nonlinear ponderomotive four-force in laser-plasma interactions
Journal name Laser And Particle Beams   Check publisher's open access policy
ISSN 0263-0346
1469-803X
Publication date 2006-10
Sub-type Article (original research)
DOI 10.1017/S0263034606060642
Volume 24
Issue 4
Start page 475
End page 493
Total pages 19
Editor D. H. H. Hoffmann
Place of publication United Kingdom
Publisher Cambridge University Press
Collection year 2006
Language eng
Subject C1
240304 Other Plasma Physics
780102 Physical sciences
Abstract The interaction of electromagnetic radiation with plasmas is studied in relativistic four-vector formalism. A gauge and Lorentz invariant ponderomotive four-force is derived from the time dependent nonlinear three-force of Hora (1985). This four-force, due to its Lorentz invariance, contains new magnetic field terms. A new gauge and Lorentz invariant model of the response of plasma to electromagnetic radiation is then devised. An expression for the dispersion relation is obtained from this model. It is then proved that the magnetic permeability of plasma is unity for a general reference frame. This is an important result since it has been previously assumed in many plasma models.
Keyword Physics, Applied
Covariant Plasmas
Laser-plasma Interaction
Ponderomotive Force
Relativistic Magneto-hydrodynamics
Relativistic Plasmas
Heavy-ion
Ignition
Energy
Beams
Acceleration
Electrons
Transport
Targets
Instabilities
Radiation
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
2007 Higher Education Research Data Collection
UQ Business School Publications
 
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Created: Wed, 15 Aug 2007, 08:06:32 EST