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Electric and Magnetic Fields Generated by a Electron Beam with Gaussian Profile
Zhang Shichang * #
School of Physics and Chemistry, Xihua University, Chengdu 610039, and Institute of Photoelectronics, Southwest Jiaotong University, ChengDu 610031
*Correspondence author
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Funding: none
Opened online:22 November 2012
Accepted by: none
Citation: Zhang Shichang.Electric and Magnetic Fields Generated by a Electron Beam with Gaussian Profile[OL]. [22 November 2012] http://en.paper.edu.cn/en_releasepaper/content/4495540
 
 
In a free-electron devices such as the free-electron laser and the electron cyclotron maser, the electric and magnetic fields generated by a relativistic electron beam substantially affect the electrons' motion and consequently the performance of the device. In this paper the expressions are analytically derived by means of the conservation of particle number for both the electric and magnetic fields generated by a solid electron beam with Gaussian profile, where the situations inside and outside regions of the electron beam are included, and all the explicit expressions are written in terms of the macroscopical radius, current and drifting velocity of the electron beam.
Keywords:electron beam; Gaussian profile; self-fields
 
 
 

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