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|Title:||Imaging the geometrical structure of the H2+ molecular ion by high-order above-threshold ionization in an intense laser field|
|Source:||Guo, Y., Fu, P., Yan, Z.-C., Gong, J., Wang, B. (2009-12-04). Imaging the geometrical structure of the H2+ molecular ion by high-order above-threshold ionization in an intense laser field. Physical Review A - Atomic, Molecular, and Optical Physics 80 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.80.063408|
|Abstract:||Using a frequency-domain theory, we demonstrate that an angle-resolved high-order above-threshold ionization (HATI) spectrum carries three pieces of important information: the fingerprint of the molecular wave function in the direct above-threshold-ionization amplitude, the geometrical structure of the molecule in the potential scattering between two plane waves, and the interaction between the ionized electron and the laser field, manifested in a phase factor associated with laser-assisted collisions. As a result all main interference features in the HATI spectrum can be physically explained. As an application it is pointed out that the skeleton structure of a molecule can be better imaged using lasers of higher frequencies. © 2009 The American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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