RESEARCH ARTICLE| DECEMBER 15 1988 Two-photon ionization cross section calculation for H2O Ionization cross section of H2 I. Cacelli; V. Carravetta; R. Moccia; A. Rizzo Crossmark: Check for Updates J. Chem. Phys. 89, 7301-7306 (1988) https://doi.org/10.1063/1.455311 Article history Split-Screen Click here to open pdf in another window PDFfor Share Icon Share Reprints and Permissions Search Site Cite Icon Cite The two-photon first ionization cross section was computed for H2O in the vertical transition approximation. A Stieltjes imaging technique was used to obtain from the results of a L2 basis set calculation, the two-photon oscillator strength density in the continuum. The calculations were performed in the independent particle static-exchange approximation for the final states. The ground-intermediate state transition matrix elements and excitation energies were computed by adopting the single channel static-exchange approximation or the multichannel random phase approximation; in the last case the intermediate-final state transition matrix elements were obtained by the equation of motion method. The calculated cross sections refer to the case of single beam of linearly or circularly polarized photons.
2-PHOTON IONIZATION CROSS-SECTION CALCULATION FOR H2O
CARRAVETTA V;
1988
Abstract
RESEARCH ARTICLE| DECEMBER 15 1988 Two-photon ionization cross section calculation for H2O Ionization cross section of H2 I. Cacelli; V. Carravetta; R. Moccia; A. Rizzo Crossmark: Check for Updates J. Chem. Phys. 89, 7301-7306 (1988) https://doi.org/10.1063/1.455311 Article history Split-Screen Click here to open pdf in another window PDFfor Share Icon Share Reprints and Permissions Search Site Cite Icon Cite The two-photon first ionization cross section was computed for H2O in the vertical transition approximation. A Stieltjes imaging technique was used to obtain from the results of a L2 basis set calculation, the two-photon oscillator strength density in the continuum. The calculations were performed in the independent particle static-exchange approximation for the final states. The ground-intermediate state transition matrix elements and excitation energies were computed by adopting the single channel static-exchange approximation or the multichannel random phase approximation; in the last case the intermediate-final state transition matrix elements were obtained by the equation of motion method. The calculated cross sections refer to the case of single beam of linearly or circularly polarized photons.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
