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

X. Y. An; M. Chen; J. X. Li; S. M. Weng; F. He; Z. M. Sheng; J. Zhang

doi:10.1063/1.5118710

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

X. Y. An, M. Chen^*, J. X. Li, S. M. Weng, F. He, Z. M. Sheng, J. Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

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Abstract

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.

Original language	English
Article number	123106
Number of pages	11
Journal	Physics of Plasmas
Volume	26
Issue number	12
DOIs	https://doi.org/10.1063/1.5118710
Publication status	Published - 13 Dec 2019

Funding

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11991070, 11774227, and 11721091), the Science Challenge Project (Grant No. TZ2018005), and the National Key Research and Development Program of China (Grant No. 2018YFA0404802). The authors would like to acknowledge the OSIRIS-Consortium, consisting of UCLA and IST (Lisbon, Portugal) for the use of OSIRIS and the visXD framework.

Keywords

electromagnetic field structure mapping
electron trajectories
electron beams
spin tracing

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An-etal-POP-2019-Mapping-electromagnetic-fields-structure-in-plasma-using-a-spinAccepted author manuscript, 3.25 MB

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AU - An, X. Y.

AU - Chen, M.

AU - Li, J. X.

AU - Weng, S. M.

AU - He, F.

AU - Sheng, Z. M.

AU - Zhang, J.

PY - 2019/12/13

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N2 - 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.

AB - 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.

KW - electromagnetic field structure mapping

KW - electron trajectories

KW - electron beams

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JO - Physics of Plasmas

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

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