| Autor: |
Zielinski, Alejandro, Majety, Vinay Pramod, Scrinzi, Armin |
| Rok vydání: |
2015 |
| Předmět: |
|
| Zdroj: |
Phys. Rev. A 93, 023406 (2016) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1103/PhysRevA.93.023406 |
| Popis: |
Double photo-electron momentum spectra of the Helium atom are calculated \textit{ab initio} at extreme ultra-violet and near infrared wavelengths. At short wavelengths two-photon double ionization yields, two-electron energy spectra, and triply differential cross sections agree with results from recent literature. At the near infrared wavelength of $780\,nm$ the experimental single-to-double ionization ratio is reproduced up to intensities of $4\times 10^{14}W/cm^2$, and two-electron energy spectra and joint angular distributions are presented. The time-dependent surface flux (tSurff) approach is extended to full 3+3 spatial dimensions and systematic error control is demonstrated. We analyze our differential spectra in terms of an experimentally accessible quantitative measure of correlation. |
| Databáze: |
arXiv |
| Externí odkaz: |
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