辐射反应与极限加速度
Radiation reaction and limiting acceleration
摘要:
我们调查的强加速性能的辐射反作用力,并确定一个新的和有前途的限制加速功能在Eliezer-Ford-O 'Connell模型;在强场制度,对于许多领域的配置,我们发现一个上限,以加速导致的约束率的辐射发射。如果这个模型适用,强加速粒子的能量损失速度要比通常的辐射反应基准朗道-利夫希茨方程(Landau-Lifshitz equation)所预测的慢得多,朗道-利夫希茨方程肯定不能用于这种情况。我们探讨的例子涉及各种“恒定”的电磁场配置和研究粒子运动在一个轻的平面波以及在一个物质介质。
英文摘要:
We investigate the strong acceleration properties of the radiation reaction force and identify a new and promising limiting acceleration feature in the Eliezer-Ford-O'Connell model; in the strong field regime, for many field configurations, we find an upper limit to acceleration resulting in a bound to the rate of radiation emission. If this model applies, strongly accelerated particles are losing energy at a much slower pace than predicted by the usual radiation reaction benchmark, the Landau-Lifshitz equation, which certainly cannot be used in this regime. We explore examples involving various "constant" electromagnetic field configurations and study particle motion in a light plane wave as well as in a material medium.
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