Probing spin-orbit-interaction-induced electron dynamics in the carbon atom by multiphoton ionization

Hector F. Rey, Hugo W. Van Der Hart

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Abstract

We use R-matrix theory with time dependence (RMT) to investigate multiphoton ionization of ground-state atomic carbon with initial orbital magnetic quantum number M_L=0 and M_L=1 at a laser wavelength of 390 nm and peak intensity of 10(14) W/cm(2). Significant differences in ionization yield and ejected-electron momentum distribution are observed between the two values for M_L. We use our theoretical results to model how the spin-orbit interaction affects electron emission along the laser polarization axis. Under the assumption that an initial C atom is prepared at zero time delay with M_L=0, the dynamics with respect to time delay of an ionizing probe pulse modeled by using RMT theory is found to be in good agreement with available experimental data.
Original languageEnglish
Article number033402
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume90
DOIs
Publication statusPublished - 03 Sep 2014

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