Mapping electromagnetic fields structure in plasma using a spin polarized electron beam

We propose a scheme to mapping electromagnetic field structure in plasma by using a spin polarized relativistic electron beam. Especially by using Particle-in-Cell (PIC) and spin tracing simulations, we have successfully reconstructed a plasma wakefield from the spin evolution of a transmitted elect...

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Bibliographic Details
Published in:Physics of plasmas 2019-12, Vol.26 (12)
Main Authors: An, X. Y., Chen, M., Li, J. X., Weng, S. M., He, F., Sheng, Z. M., Zhang, J.
Format: Article
Language:English
Subjects:
Electromagnetic fields
Electron spin
Electron trajectories
Electrons
Mapping
Particle in cell technique
Particle spin
Plasma
Plasma physics
Relativism
Relativistic effects
Relativistic electron beams
Tracing
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Summary:We propose a scheme to mapping electromagnetic field structure in plasma by using a spin polarized relativistic electron beam. Especially by using Particle-in-Cell (PIC) and spin tracing simulations, we have successfully reconstructed a plasma wakefield from the spin evolution of a transmitted electron beam. Electron trajectories of the probe beam are obtained from PIC simulations, and the spin evolutions during the beam propagating through the fields are calculated by a spin tracing code. The reconstructed fields illustrate the main characters of the original fields, which demonstrates the feasibility of field detection by use of spin polarized relativistic electron beams.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.5118710