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arXiv 1206.0940physics.acc-phphysics.plasm-ph
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γ自由电子Laser(γ- FEL)的量子部分有序电子结构

A Quantal, Partially Ordered Electron Structure as a Basis for a γFree Electron Laser (γ-FEL)

D. Habs, M. M. Günther, S. Karsch, P. G. Thirolf, M. Jentschel

摘要:

当一个相当冷的电子束团在强聚焦等离子体通道中以100 GeV/m的典型力进行激光气泡加速时,由于电子之间的相对论纵向排斥力的减小,它将形成部分有序的长电子柱,从而导致长程对关联函数,当能量达到0.5 GeV以上时,在实验室中。在康普顿背散射与第二激光,注入对面的电子聚束,电子聚束将进一步调制与微聚束,并由于其有序的结构将反射相干,穆斯堡尔样,导致γ自由电子激光(γ-FEL)。增加相对论γ因子,量子区变得更占主导地位。我们讨论了γ的标度律。

英文摘要:

When a rather cold electron bunch is transported during laser bubble acceleration in a strongly focusing plasma channel with typical forces of 100 GeV/m, it will form partially ordered long electron cylinders due to the relativistically longitudinal reduced repulsion between electrons, resulting in a long-range pair correlation function, when reaching energies in the laboratory above 0.5 GeV. During Compton back-scattering with a second laser, injected opposite to the electron bunch, the electron bunch will be further modulated with micro bunches and due to its ordered structure will reflect coherently, Mössbauer-like, resulting in a γfree electron laser (γ-FEL). Increasing the relativistic γfactor, the quantal regime becomes more dominant. We discuss the scaling laws with γ.

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