The laser plasma channel antenna is equivalent to uniform cold magnetized plasma beam, which is assumed to be gyrating transversely and drifting longitudinally.

• 摘要激光等离子体通道天线被等效为电子在横向旋转、轴向漂移的均匀冷磁化等离子体束，且该等离子体束的横截面为沿轴向不改变的圆形。