Electron trajectories associated with laser-driven coherent synchrotron emission at the front surface of overdense plasmas.
Electron trajectories associated with laser-driven coherent synchrotron emission at the front surface of overdense plasmas.
复制标题
与过密等离子体前表面激光驱动相干同步加速器发射相关的电子轨迹。
DOI:
10.1103/physreve.101.053210
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Cousens S
中科院分区:
文献类型:
--
作者:
Cousens S
We present an in-depth analysis of an ultrafast electron trajectory type that produces attosecond electromagnetic pulses in both the reflected and forward directions during normal incidence, relativistic laser-plasma interactions. Our particle-in-cell simulation results show that for a target which is opaque to the frequency of the driving laser pulse the emission trajectory is synchrotronlike but differs significantly from the previously identified figure-eight type which produces bright attosecond bursts exclusively in the reflected direction. The origin and characteristics of this trajectory type are explained in terms of the driving electromagnetic fields, the opacity of the plasma, and the conservation of canonical momentum.
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DOI:
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发表时间:
2015
期刊:
影响因子:
--
作者:
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通讯作者:
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DOI:
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2016
期刊:
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Zepf, M.
DOI:
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2009
期刊:
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