Vacuum polarization and magnetization effects in ultra-intense laser pulse-pair plasmas

2012 ◽  
Vol 19 (4) ◽  
pp. 042306 ◽  
Author(s):  
Qiang-Lin Hu ◽  
Gui-Lan Xiao ◽  
Xiao-Guang Yu ◽  
Ji-Chang Peng ◽  
Ai-Jing Wu
Keyword(s):  
Laser Pulse ◽  
Vacuum Polarization ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Pulse Pair

Modulational instability of an ultra-intense laser pulse in electron–positron plasmas

2013 ◽  
Vol 79 (5) ◽  
pp. 771-776 ◽  
Author(s):  
QIANG-LIN HU ◽  
GUI-LAN XIAO ◽  
XIAO-GUANG YU
Keyword(s):  
Growth Rate ◽  
Laser Pulse ◽  
Vacuum Polarization ◽  
Laser Intensity ◽  
Modulational Instability ◽  
Instability Growth Rate ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Electron Positron ◽  
Instability Growth

AbstractThis paper investigates the modulational instability of a linearly polarized ultra-intense laser pulse propagating in electron–positron plasmas. Based on the wave equation, which contains vacuum polarization and magnetization effects, the nonlinear dispersion relation and the growth rate of instability are obtained and the effects of plasma number density and laser intensity on the growth rate are analyzed. Numerical results show that if the laser intensity is high enough, the modulational instability growth rate induced by vacuum polarization and magnetization nonlinearity can dominate the modulational instability growth rate induced by the nonlinearity associated with a relativistic effect and ponderomotive force.

Reduction of the Coherence Time of an Intense Laser Pulse Propagating through a Plasma

2002 ◽  
Vol 88 (19) ◽  
Author(s):  
J. Fuchs ◽  
C. Labaune ◽  
H. Bandulet ◽  
P. Michel ◽  
S. Depierreux ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Coherence Time ◽  
Intense Laser ◽  
Intense Laser Pulse

scholarly journals Focusing of intense laser pulse by a hollow cone

2010 ◽  
Vol 28 (2) ◽  
pp. 293-298 ◽  
Author(s):  
Wei Yu ◽  
Lihua Cao ◽  
M.Y. Yu ◽  
A.L. Lei ◽  
Z.M. Sheng ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Strong Field ◽  
High Energy ◽  
Plasma Boundary ◽  
High Energy Density ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Hollow Cone ◽  
Conical Channel ◽  
Boundary Plasma

AbstractIt is shown that an intense laser pulse can be focused by a conical channel. This anomalous light focusing can be attributed to a hitherto ignored effect in nonlinear optics, namely that the boundary response depends on the light intensity: the inner cone surface is ionized and the laser pulse is in turn modified by the resulting boundary plasma. The interaction creates a new self-consistently evolving light-plasma boundary, which greatly reduces reflection and enhances forward propagation of the light pulse. The hollow cone can thus be used for attaining extremely high light intensities for applications in strong-field and high energy-density physics and other areas.

scholarly journals Post-transient relaxation in graphene after an intense laser pulse

2013 ◽  
Vol 222 (5) ◽  
pp. 1263-1270 ◽  
Author(s):  
J. Zhang ◽  
T. Li ◽  
J. Wang ◽  
J. Schmalian
Keyword(s):  
Laser Pulse ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Transient Relaxation

Characterization of ultra-intense laser in radiation damping regime using ponderomotive scattering

2022 ◽  
Author(s):  
Amol Holkundkar ◽  
Felix Mackenroth
Keyword(s):  
Laser Pulse ◽  
Electron Bunch ◽  
Input Parameter ◽  
Radiation Reaction ◽  
Quantitative Agreement ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Scattered Electron ◽  
Novel Approach ◽  
Particle Simulations

Abstract We present a novel approach to analyzing phase-space distributions of electrons ponderomotively scattered off an ultra-intense laser pulse and comment on implications for thus conceivable in-situ laser-characterization schemes. To this end, we present fully relativistic test particle simulations of electrons scattered from an ultra-intense, counter-propagating laser pulse. The simulations unveil non-trivial scalings of the scattered electron distribution with the laser intensity, pulse duration, beam waist, and energy of the electron bunch. We quantify the found scalings by means of an analytical expression for the scattering angle of an electron bunch ponderomotively scattered from a counter-propagating, ultra-intense laser pulse, also accounting for radiation reaction (RR) through the Landau-Lifshitz (LL) model. For various laser and bunch parameters, the derived formula is in excellent quantitative agreement with the simulations. We also demonstrate how in the radiation-dominated regime a simple re-scaling of our model's input parameter yields quantitative agreement with numerical simulations based on the LL model.

scholarly journals 2D characterization of the pressure generated by an intense laser pulse on an aluminum target

2018 ◽  
Author(s):  
Bertrand Aubert ◽  
David Hebert ◽  
Jean-Luc Rullier ◽  
Emilien Lescoute ◽  
Laurent Videau ◽  
...  
Keyword(s):  
Laser Pulse ◽  
Intense Laser ◽  
Intense Laser Pulse ◽  
Aluminum Target
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