论文标题
相对论电子束的强空气电荷场驱动的超快量子动力学
Ultrafast quantum dynamics driven by the strong space charge field of a relativistic electron beam
论文作者
论文摘要
在本文中,我们说明了如何将高度相对论的电子束的库仑场变成适合驱动超快和强场物理的宽带脉冲。与固态激光器相反,库仑场会产生一个脉冲,可以与X射线游离电子激光器(XFEL)本质上同步,可以具有从THZ到EUV的截止频率,并且可以在目标系统上用作“半循环”的脉冲。提出了明确的示例,以强调这种激发的独特特征如何成为XFEL设施等新型科学的工具。
In this article, we illustrate how the Coulomb field of a highly relativistic electron beam can be shaped into a broadband pulse suitable for driving ultrafast and strong-field physics. In contrast to a solid-state laser, the Coulomb field creates a pulse which can be intrinsically synchronized with an x-ray free electron laser (XFEL), can have a cutoff frequency which is broadly tunable from THz to EUV, and which acts on target systems as a "half-cycle" impulse. Explicit examples are presented to emphasize how the unique features of this excitation can be a tool for novel science at XFEL facilities like the LCLS.