Research Papers in Physics and Astronomy


Date of this Version

March 1972


Published by American Physical Society. Phys. Rev. B 5, 1792 (1972). Copyright © 1972 American Physical Society. Permission to use.


An exploratory calculation of the photoabsorption cross section near the 4d ionization threshold of lanthanum metal is carried out. The level structure of the configuration 4d94f is found to be altered by interaction with the continuum configuration 4d9εf. The Fano profile of the resonance above threshold is calculated, as are the oscillator strengths of the discrete states below threshold. Our results provide the ground work for more detailed calculations.

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