Generalized Levinson theorem: Applications to electron-atom scattering

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 54, Issue 6, 1996, Pages 4985-4991

  Rosenberg, Leonard ^a   Spruch, Larry ^a  

^a POLYTECHNIC UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKALI METALS; APPROXIMATION THEORY; ATOMS; ELECTRON ENERGY LEVELS; HELIUM; HYDROGEN; INERT GASES; NUMERICAL METHODS; PHASE SHIFT;

CLOSED SUBSHELLS; ELECTRON ATOM SCATTERING; GENERALIZED LEVINSON THEOREM; HARTREE-FOCK APPROXIMATION; PAULI PRINCIPLE;

ELECTRON SCATTERING;

EID: 0030420406     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.54.4985     Document Type: Article

References (18)

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9. Omitted end note.
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14. Omitted end note.
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18. A small perturbation can be relevant only if, in its absence, there exists a composite bound state of very small energy or a virtual bound state just above zero energy; the perturbation could then change the number of composite bound states.