Potential barrier effects in high-order harmonic generation by transition-metal ions
M. V. FrolovDepartment of Physics, Voronezh State University, 394006 Voronezh, RussiaN. L. ManakovDepartment of Physics, Voronezh State University, 394006 Voronezh, RussiaAnthony F. StaraceDepartment of Physics, Voronezh State University, 394006 Voronezh, Russia
2010en
ABI
Abstract
The experimental finding of significant enhancement or suppression of particular harmonics generated by the ionic component of laser-produced plasmas of transition-metal atoms is explained theoretically in terms of the standard three-step scenario for strong-field harmonic generation, taking into account the potential barrier effects that lead to a strong $3p\ensuremath{\rightarrow}3d$ electric dipole transition that dominates the photoionization cross sections of the outer subshells of those ions.
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Cited by 140 references