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<p>We study the radiation from a small particle bunch with a time-dependent charge, moving in a nondispersive medium. Approximate expressions for the field components, valid in the radiation zone, are obtained for arbitrary time-dependent charge and velocity of the bunch. The energy characteristics of radiation from a time-dependent charge moving at constant velocity are compared with those of radiation from a constant charge undergoing acceleration.</p>

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Radiation from a Particle Bunch with Both Charge and Velocity Varying in Time

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • A. V. Tyukhtin

摘要

We study the radiation from a small particle bunch with a time-dependent charge, moving in a nondispersive medium. Approximate expressions for the field components, valid in the radiation zone, are obtained for arbitrary time-dependent charge and velocity of the bunch. The energy characteristics of radiation from a time-dependent charge moving at constant velocity are compared with those of radiation from a constant charge undergoing acceleration.