Ionization Dynamics for Atomic and Molecular Ions in Relativistic, Ultrastrong Laser Fields

Ionization Dynamics for Atomic and Molecular Ions in Relativistic, Ultrastrong Laser Fields
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相对论性超强激光场中原子和分子离子的电离动力学

DOI:
10.1088/1742-6596/2494/1/012018
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发表时间:
2023
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
Stein, A
Stein, A
中科院分区:
--
文献类型:
--
作者:
Walker, B C;Jones, E C;Andreula, Z;Pham, M;Gale, M;Pedlow, E;Stein, A

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激光驱动的再散射和高次谐波辐射的最大光子能量的3.17倍有质动力能量(UP)的发现奠定了阿秒脉冲产生和相干X射线的基础。当激光场驱动相互作用到更高的能量时,相对论和来自激光磁场的洛伦兹力进入动力学。我们目前的激光再散射,包括这些影响的最新研究结果,给出一个定量描述的再散射动力学的高能量极限,即,1,000哈特里(27千电子伏)的能量。研究的过程包括内部K-和L-壳层激发和高次谐波产生的极限通过再散射韧致辐射。结果指出了X射线强场过程到达前沿区的途径。
The discovery of laser-driven rescattering and high harmonic radiation out to a maximum photon energy of 3.17 times the ponderomotive energy (U p) laid the groundwork for attosecond pulse generation and coherent X-rays. As the laser field drives the interaction to higher energies, relativity and the Lorentz force from the laser magnetic field enter into the dynamics. We present the results of recent studies of laser rescattering, including these effects, to give a quantitative description of rescattering dynamics in the high-energy limit, ie, recollision energies of order 1,000 hartree (27 keV). The processes investigated include inner K-and L-shell excitation and the ultimate limit of high harmonic generation via rescattering bremsstrahlung. The results indicate the path to the frontier area of x-ray strong field processes.
圆偏振超强场中原子束缚态动力学的经典研究
DOI: 10.1088/0953-4075/47/13/135601
发表时间: 2014
期刊: Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子: --
作者:
S. Luo;P. Grugan;B. Walker
通讯作者: B. Walker