The electromagnetic angular momentum created by the convective fields of electrically charged relativistic particles in the immediate vicinity of the charges, where these fields exceed the fields of the purely electromagnetic radiation, is considered.

中文翻译：

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相对论带电粒子对流电磁场的角动量

考虑由电荷紧邻的带电相对论粒子的对流场产生的电磁角动量，这些场超过纯电磁辐射的场。