Effect of a longitudinal magnetic field on the excitation of plasma wake waves |
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Authors: | A G Khachatryan |
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Institution: | (1) Yerevan Physical Institute, Yerevan, 375036, Armenia |
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Abstract: | The effect of a longitudinal magnetic field on the linear wake fields excited by a relativistic electron bunch in a cold homogeneous plasma is considered. The obtained results prove that the presence of an external magnetic field leads to a dependence of the wake wavelength on the transverse coordinate, to a change in the wave amplitude with increasing distance from the bunch, and to the emergence of anharmonicity. It is found that a strong magnetic field reduces the wave amplitude significantly for narrow bunches and changes the amplitude insignificantly for broad bunches. |
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