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Stimulated Multiphoton Bremsstrahlung in Electron-Ion Collisions
1Institute for Basic Standards, National Bureau of Standards, Boulder, Colorado 80302.
This review covers how electrons absorb electromagnetic energy during atomic collisions, detailing classical and quantum processes for photon absorption/emission in varying fields. It also discusses plasma absorption coefficients.
Area of Science:
- Atomic and Molecular Physics
- Plasma Physics
- Quantum Mechanics
Background:
- Electrons interact with electromagnetic fields and atomic/ionic particles.
- Understanding energy exchange mechanisms is crucial for plasma physics.
Purpose of the Study:
- To review the fundamental mechanisms of electron energy absorption from electromagnetic fields during collisions.
- To describe both classical and quantum mechanical processes, including photon interactions.
- To present formulations for weak and strong applied fields and review plasma absorption coefficients.
Main Methods:
- Review of classical and quantum mechanical theories for electron-atom/ion collisions.
- Analysis of electromagnetic field interactions (weak and strong).
- Compilation of formulations for photon absorption and emission.
Main Results:
- Detailed description of the classical mechanism of electron energy absorption during collisions.
- Explanation of quantum mechanical processes involving photon absorption and emission.
- Formulations for different field strengths are presented.
- An overview of resulting plasma absorption coefficients is provided.
Conclusions:
- The study provides a comprehensive overview of electron energy absorption mechanisms in electromagnetic fields during collisions.
- It bridges classical and quantum descriptions, offering insights into photon interactions.
- The review is relevant for understanding plasma properties and electromagnetic wave propagation.
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