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《Acta Electronica Sinica》 1998-06
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A Statistical Dynamics Study on the Evolution of the Spatial and Momentum Distribution of Electron Beams

Liu Xuedong, Tang Tiantong(Xi'an Jiaotong University,Xi'an 710049)  
A modified Vlasov equation which describes the evolution of the spatial and momentum distribution of axisymmetrical electron beams is developed based on the statistical dynamics theory. A semi-analytical solution of the equation is given in the paraxial approximation. The evolution and the beam envelope spreading for electron beams in drifting space are calculated using the above theory and methods; the calculation results agree very well with the numerical computation results.
【Fund】: 国家教委博士点专项基金
【CateGory Index】: TN20
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