Abstract
Strong-field ionization (SFI) of the homonuclear noble gas dimer ${\mathrm{Xe}}_{2}$ is investigated and compared with SFI of the Xe atom and of the ArXe heteronuclear dimer by using ultrashort Ti:sapphire laser pulses and photoelectron momentum spectroscopy. The large separation of the two nuclei of the dimer allows the study of two-equivalent-center interference effects on the photoelectron momentum distribution. Comparing the experimental results with a new model calculation, which is based on the strong-field approximation, actually reveals the influence of interference. Moreover, the comparison indicates that the presence of closely spaced gerade and ungerade electronic state pairs of the ${{\mathrm{Xe}}_{2}}^{+}$ ion at the ${\mathrm{Xe}}_{2}$ ionization threshold, which are strongly dipole coupled, affects the photoelectron momentum distribution.
Keywords
Homonuclear moleculeAtomic physicsHeteronuclear moleculeIonizationXenonMomentum (technical analysis)PhysicsIonIonic bondingDipoleField desorptionMaterials scienceNuclear magnetic resonanceNuclear magnetic resonance spectroscopy
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Publication Info
- Year
- 2018
- Type
- article
- Volume
- 97
- Issue
- 2
- Citations
- 9
- Access
- Closed
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Cite This
Chong Zhang,
Tianli Feng,
Nils Raabe
et al.
(2018).
Strong-field ionization of xenon dimers: The effect of two-equivalent-center interference and of driving ionic transitions.
Physical review. A/Physical review, A
, 97
(2)
.
https://doi.org/10.1103/physreva.97.023417
Identifiers
- DOI
- 10.1103/physreva.97.023417