Scattering Matrix Formulation of the Total Photoionization of Two-electron Atoms
- Authors
- Lee, Min-Ho; Choi, Nark Nyul
- Issue Date
- Jun-2010
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Scattering matrix; Photoionization cross section; Green' s function; Semiclassical method; Two-electron atom
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.6, pp.1799 - 1806
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 56
- Number
- 6
- Start Page
- 1799
- End Page
- 1806
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/2778
- DOI
- 10.3938/jkps.56.1799
- ISSN
- 0374-4884
- Abstract
- A rigorous derivation of an exact quantum-mechanical formula is presented for the total photoionization of two-electron atoms in terms of local scattering matrices that describe local dynamics separately in the inner anti the outer parts of a surface dividing the whole configuration space. The exact formula is a correct extension of a previously known formula that misses the contribution of the channels closed at the dividing surface. The validity of semiclassical treatments of the outer part can be examined by evaluating the contribution of channels closed at the dividing surface.
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