Abstract
We investigate the one-photon double ionization of H${}_{2}$ by numerically solving the time-dependent Schr\"odinger equation (TDSE) in the prolate spheroidal coordinates. The triple differential cross sections (TDCS) are extracted from the differential probability by three different methods. The dependence of the TDCS on the orientation of H${}_{2}$ is analyzed by a configuration interference model. The model perfectly reproduces the TDSE results. The obvious interference patterns are observed when the angle between the laser polarization and the molecular axis is properly small. In addition, we revisit the heliumlike model by including the phase difference, which gives a much better fitting of the TDSE results than the previous model without the phase difference taken into account.
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