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Photoelectron Angular Distributions of Nonresonant Two-Photon Atomic Ionization Near Nonlinear Cooper Minima
J. Hofbrucker, L. Eiri, A. V. Volotka +1
Photoelectron angular distributions of the two-photon ionization of neutral atoms are theoretically investigated. Numerical calculations of two-photon ionization cross sections and…
Enhanced polarization transfer to the characteristic x-ray lines near the nonlinear Cooper minimum of two-photon ionization
J. Hofbrucker, A. V. Volotka, J. Szlachetko +1
It has been shown that for nonlinear atomic ionization, transfer of the degree of circular polarization from incident to fluorescence light is maximum at the Cooper minimum (see Ph…
Breakdown of the electric dipole approximation at Cooper minima in direct two-photon ionisation
J. Hofbrucker, A. V. Volotka, S. Fritzsche
We predict breakdown of the electric dipole approximation at nonlinear Cooper minimum in direct two-photon shell atomic ionisation by circularly polarised light. According to p…