Dynamics of a Charged Particle in Progressive Plane Waves: Stochastic Acceleration. Application to the Wake Field Acceleration Process

The dynamics of a charged particle in a relativistic strong electromagnetic plane wave propagating in vacuum is studied first, the problem is shown to be integrable when the wave propagates in vacuum. One particle in a high-intensity wave, propagating in a vacuum, perturbed by a low-intensity travel...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2010-04, Vol.38 (4), p.728-732
Main Authors: Bourdier, Alain, Drouin, Mathieu, Davoine, Xavier
Format: Article
Language:English
Subjects:
Acceleration
Chaos
Charged particles
Dynamic tests
Dynamics
Electromagnetic propagation
Electromagnetic scattering
Electromagnetism
Electrons
Exact sciences and technology
Fluctuation and chaos phenomena
Heating
integrability
laser-matter interaction
Particle in cell technique
Particle physics
Particle-in-cell method
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plane waves
Plasma
Plasma accelerators
Plasma properties
Plasma simulation
Plasma waves
stochastic acceleration
Stochastic processes
Stochastic resonance
Stochasticity
Wave propagation
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Summary:The dynamics of a charged particle in a relativistic strong electromagnetic plane wave propagating in vacuum is studied first, the problem is shown to be integrable when the wave propagates in vacuum. One particle in a high-intensity wave, propagating in a vacuum, perturbed by a low-intensity traveling wave is considered next. Resonances are identified, and conditions for resonance overlap are studied. Stochastic acceleration is shown by considering a single particle. It is confirmed in plasma in realistic situations with particle-in-cell code simulations. Finally, it is shown that when considering a low-density plasma interacting with a high-intensity wave perturbed by a low-intensity counterpropagating wave, stochastic heating can provide electrons with the right momentum for trapping in the wakefield and efficient acceleration.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2009.2034165