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Some considerations on the sturmian approach to green's functions
Author(s) -
Engelmann Alejandro R.,
Natiello Mario A.
Publication year - 1987
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560320406
Subject(s) - connection (principal bundle) , transformation (genetics) , bound state , mathematics , theoretical physics , physics , quantum mechanics , chemistry , geometry , biochemistry , gene
The Sturmian transformation is reviewed and some of its properties are discussed, in particular, its use in perturbative approaches, its connection with variational schemes, and its use for the study of resonances. One potential problem (Doolen) having no bound states is described exactly.