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Intense pulses in air: breakup of rotational symmetry

机译:空气中的强烈脉冲:旋转对称性破裂

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摘要

We investigate azimuthal instabilities of intense rotationally symmetric pulsed beams propagating in air. Although the spatial-temporal evolution of the field is strongly influenced by the onset of plasma generation, the instabilities are caused chiefly by the Kerr effect. We conclude that calculations that assume rotational symmetry become unrealistic because of the fast growth of azimuthal instabilities shortly after the onset of plasma generation.
机译:我们研究在空中传播的强烈旋转对称脉冲光束的方位角不稳定性。尽管电场的时空演化受到等离子体生成的强烈影响,但不稳定性主要是由Kerr效应引起的。我们得出结论,由于等离子产生后不久方位角不稳定性的快速增长,假设旋转对称的计算变得不切实际。

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