Nonlinear dynamics of intense laser pulses in a pair plasma

Padma K. Shukla, Mattias Marklund, Bengt Eliasson

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We derive equations for nonlinearly interacting intense laser pulses and an electron–positron plasma, taking into account the combined action of the relativistic particle mass increase and the plasma density profile modification by the relativistic light ponderomotive force. The physical system is described by a modified nonlinear Schrödinger equation (NLSE). The latter predicts a modulational instability and one-dimensional light envelope solitons. In multi-dimensions, we observe the interesting phenomena of light beam focusing, light trapping in self-created density holes, and light beam filamentation. Our results should be useful in understanding the nonlinear propagation of intense laser beams in an electron–positron plasma which could be created by next generation intense lasers.
LanguageEnglish
Pages193–197
Number of pages5
JournalPhysics Letters A
Volume324
Issue number2-3
DOIs
Publication statusPublished - 12 Apr 2004

Fingerprint

electron-positron plasmas
light beams
pulses
lasers
ponderomotive forces
relativistic particles
particle mass
plasma density
nonlinear equations
envelopes
solitary waves
trapping
laser beams
propagation
profiles

Keywords

  • laser pulses
  • pair plasma

Cite this

Shukla, Padma K. ; Marklund, Mattias ; Eliasson, Bengt. / Nonlinear dynamics of intense laser pulses in a pair plasma. In: Physics Letters A. 2004 ; Vol. 324, No. 2-3. pp. 193–197.
@article{61d6b86e956a452c818ad18055e33496,
title = "Nonlinear dynamics of intense laser pulses in a pair plasma",
abstract = "We derive equations for nonlinearly interacting intense laser pulses and an electron–positron plasma, taking into account the combined action of the relativistic particle mass increase and the plasma density profile modification by the relativistic light ponderomotive force. The physical system is described by a modified nonlinear Schr{\"o}dinger equation (NLSE). The latter predicts a modulational instability and one-dimensional light envelope solitons. In multi-dimensions, we observe the interesting phenomena of light beam focusing, light trapping in self-created density holes, and light beam filamentation. Our results should be useful in understanding the nonlinear propagation of intense laser beams in an electron–positron plasma which could be created by next generation intense lasers.",
keywords = "laser pulses, pair plasma",
author = "Shukla, {Padma K.} and Mattias Marklund and Bengt Eliasson",
year = "2004",
month = "4",
day = "12",
doi = "10.1016/j.physleta.2004.02.065",
language = "English",
volume = "324",
pages = "193–197",
journal = "Physics Letters A",
issn = "0375-9601",
number = "2-3",

}

Nonlinear dynamics of intense laser pulses in a pair plasma. / Shukla, Padma K.; Marklund, Mattias; Eliasson, Bengt.

In: Physics Letters A, Vol. 324, No. 2-3, 12.04.2004, p. 193–197.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Nonlinear dynamics of intense laser pulses in a pair plasma

AU - Shukla, Padma K.

AU - Marklund, Mattias

AU - Eliasson, Bengt

PY - 2004/4/12

Y1 - 2004/4/12

N2 - We derive equations for nonlinearly interacting intense laser pulses and an electron–positron plasma, taking into account the combined action of the relativistic particle mass increase and the plasma density profile modification by the relativistic light ponderomotive force. The physical system is described by a modified nonlinear Schrödinger equation (NLSE). The latter predicts a modulational instability and one-dimensional light envelope solitons. In multi-dimensions, we observe the interesting phenomena of light beam focusing, light trapping in self-created density holes, and light beam filamentation. Our results should be useful in understanding the nonlinear propagation of intense laser beams in an electron–positron plasma which could be created by next generation intense lasers.

AB - We derive equations for nonlinearly interacting intense laser pulses and an electron–positron plasma, taking into account the combined action of the relativistic particle mass increase and the plasma density profile modification by the relativistic light ponderomotive force. The physical system is described by a modified nonlinear Schrödinger equation (NLSE). The latter predicts a modulational instability and one-dimensional light envelope solitons. In multi-dimensions, we observe the interesting phenomena of light beam focusing, light trapping in self-created density holes, and light beam filamentation. Our results should be useful in understanding the nonlinear propagation of intense laser beams in an electron–positron plasma which could be created by next generation intense lasers.

KW - laser pulses

KW - pair plasma

UR - http://www.sciencedirect.com/science/article/pii/S0375960104003093

U2 - 10.1016/j.physleta.2004.02.065

DO - 10.1016/j.physleta.2004.02.065

M3 - Article

VL - 324

SP - 193

EP - 197

JO - Physics Letters A

T2 - Physics Letters A

JF - Physics Letters A

SN - 0375-9601

IS - 2-3

ER -