超相对论对等离子体中辐射与声波相互作用的动力学理论
Kinetic theory for radiation interacting with sound waves in ultrarelativistic pair plasmas
摘要：
本文发展了超相对论正负电子等离子体中辐射与声波相互作用的动力学理论。它示出的电磁脉冲的空间谱展宽的效果是引入衰减和调制不稳定性的增长率的减少。这种光谱展宽可能是由于有限的脉冲相干长度，或通过使用随机相位滤波器，并将稳定电磁脉冲的传播。
英文摘要：
A kinetic theory for radiation interacting with sound waves in an ultrarelativistic electron-positron plasma is developed. It is shown that the effect of a spatial spectral broadening of the electromagnetic pulse is to introduce a reduction of the growth rates for the decay and modulational instabilities. Such spectral broadening could be due to a finite pulse coherence length, or through the use of random phase filters, and would stabilize the propagation of electromagnetic pulses.
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