Nonsequential double ionization of Ne with elliptically polarized laser pulses

Liu, Fang; Li, Shuqi; Chen, Zhangjin; Böning, Birger; Fritzsche, S.

doi:10.1103/physreva.106.043120

Cited by 4 publications

(3 citation statements)

References 36 publications

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“…In the improved QRS model for NSDI, an average return (recollision) time is used in the numerical calculations to account for the lowering of threshold due to the presence of an electric field. As indicated by the vertical lines in figure 4, the average return time is chosen to be ω∆t r ≃ 20 • after the E z field zero crossing [50] which is consistent with the experimental findings [41,56].…”

Section: Resultsmentioning

confidence: 67%

“…However, it was found that the method used to obtain PMDs from TDCSs in the previous works [18,32,47,50,52,69] was inappropriate. Recently, a new procedure was proposed [56] based on the methodology for simulation of the PMD for single ionization [57].…”

Section: Parallel Momentum Distribution Of the Two Outgoing Electron ...mentioning

confidence: 99%

“…The past decade has witnessed great success of the QRS model in dealing with various laser-induced rescattering processes [54,55]. Very recently, the QRS model was applied to dealing with NSDI in elliptically polarized laser fields [56,57]. Despite the fact that NSDI generally consists of RDI and RESI, here only the RDI is considered in the numerical simulations since for neon double ionization proceeds mainly via RDI [58] and the more complicated process RESI plays a minor role.…”

Section: Introductionmentioning

confidence: 99%

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Simulations of the correlated momentum distributions for nonsequential double ionization of neon in elliptically polarized laser fields

Chen,

Kang

et al. 2024

J. Phys. B: At. Mol. Opt. Phys.

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We use the improved quantitative rescattering (QRS) model to simulate the experimentally measured correlated two-electron momentumdistributions (CMDs) for nonsequential double ionization (NSDI) of Ne exposed to intense elliptically polarized laser pulses witha central wavelength of 788 nm at a peak intensity of 5$\times10^{14}$ W/cm$^2$ for the ellipticities ranging from 0 to 0.25[Kang \emph{et al} 2018 \emph{Phys. Rev. A} {\bf 97} 063403].Only the CMDs for recollision direct ionization (RDI) are calculated and the contribution from recollision excitation withsubsequent ionization (RESI) is ignored. With the assumption that recollisions occur after the zero crossing of the electricfield along the major polarization, the QRS model successfully reproduces the experimentally observed asymmetry pattern of electronpairs in the CMDs for NSDI of Ne under elliptical polarization. By reducing the peak intensity claimed in experiment by about 30\%,good agreement is achieved between the present results and the experimental measurements.

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Section: Resultsmentioning

confidence: 67%