Production and dynamics of positrons in ultrahigh intensity laser-foil interactions
arXiv:1606.08187 · doi:10.1063/1.4962567
Abstract
The electron-positron pair production accompanying interaction of a circularly polarized laser pulse with a foil is studied for laser intensities higher than W cm. The laser energy penetrates into the foil due to the effect of the relativistic hole-boring. It is demonstrated that the electron-positron plasma is produced as a result of quantum-electrodynamical cascading in the field of the incident and reflected laser light in front of the foil. The incident and reflected laser light makes up the circularly polarized standing wave in the reference frame of the hole-boring front and the pair density peaks near the nodes and antinodes of the wave. A model based on the particle dynamics with radiation reaction effect near the magnetic nodes is developed. The model predictions are verified by 3D PIC-MC simulations.
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Cited by in corpus (23)
- Charged particle motion and radiation in strong electromagnetic fields
- Electron - positron cascades in multiple-laser optical traps
- Dense Polarized Positrons from Laser-Irradiated Foil Targets in the QED Regime
- Impact of the laser spatio-temporal shape on Breit-Wheeler pair production
- High-Energy Radiation and Pair Production by Coulomb Processes in Particle-In-Cell Simulations
- Laser opacity in underdense preplasma of solid targets due to quantum electrodynamics effects
- Identifying the electron-positron cascade regimes in high-intensity laser-matter interactions
- Radiation dominated particle and plasma dynamics
- Generation of High-Density High-Polarization Positrons via Single-Shot Strong Laser-Foil Interaction
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- Particle dynamics and spatial density structures at QED cascading in circularly polarized standing waves
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- Are we ready to transfer optical light to gamma-rays?
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