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Updated: Aug 2, 2025
08:10
Building Langmuir Probes and Emissive Probes for Plasma Potential Measurements in Low Pressure, Low Temperature Plasmas
Published on: May 25, 2021
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Radiation reaction effects in relativistic plasmas: The electrostatic limit
Haidar Al-Naseri1, Gert Brodin1
1Department of Physics, Umeå University, SE-901 87 Umeå, Sweden.
Physical Review. E
|April 19, 2023
Summary
This study examines plasma wave evolution using the relativistic Vlasov equation. Background cooling
Area of Science:
- Plasma physics
- Electromagnetic waves
- Relativistic Vlasov equation
Background:
- Electrostatic plasma waves are fundamental in various astrophysical and laboratory plasmas.
- Understanding wave-particle interactions is crucial for plasma dynamics.
Purpose of the Study:
- To investigate the evolution of electrostatic plasma waves, specifically Langmuir waves.
- To analyze the effects of radiation reaction on wave damping and background plasma cooling.
- To determine how initial parameters influence wave damping and cooling rates.
Main Methods:
- Utilizing the relativistic Vlasov equation.
- Incorporating Landau-Lifshitz radiation reaction to model back-reaction from Larmor radiation.
- Calculating Langmuir wave damping and background cooling rates as functions of wave number, initial temperature, and electric field amplitude.
Main Results:
- Langmuir wave damping is quantified based on initial parameters.
- The background distribution function loses energy, and its cooling rate is calculated.
- The relative contribution of background cooling to energy loss decreases with increasing initial wave amplitude.
Conclusions:
- Radiation reaction significantly impacts electrostatic plasma wave evolution.
- Initial wave amplitude plays a key role in the balance between wave damping and background cooling.
- The findings provide insights into energy dissipation mechanisms in relativistic plasmas.
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