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We use the R-matrix with time dependence method to study detachment from F− in circularly polarized laser fields of infrared wavelength. By decomposing the photoelectron momentum distribution into separate contributions from detached 2p1 and 2p−1 electrons, we demonstrate that the detachment yield is distributed asymmetrically with respect to these initial orbitals. We observe the well-known preference for strong-field detachment of electrons that are initially counter-rotating relative to the field, and calculate the variation in this preference as a function of photoelectron energy. The wavelengths used in this work provide natural grounds for comparison between our calculations and the predictions of analytical approaches tailored for the strong-field regime. In particular, we compare the ratio of counter-rotating electrons to corotating electrons as a function of photoelectron energy. We carry out this comparison at two wavelengths, and observe good qualitative agreement between the analytical predictions and our numerical results.
|Number of pages||9|
|Journal||Physical Review A (Atomic, Molecular, and Optical Physics)|
|Publication status||Published - 26 Feb 2019|
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Student thesis: Doctoral Thesis › Doctor of PhilosophyFile