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Abstract:

An alternative and direct procedure for the decoupling of the electron-propagator equation of motion within the superoperator formalism is presented. The present approach, based on inversion of the perturbation series for the (energy) Green's function, does not require inner projection of the superoperator resolvent or renormalization theory and it is shown to yield, through an appropriate partitioning of the operator space, the lower-order corrections (ring and ladder diagrams) to the Tamm-Dancoff approximation (TDA). © 1990.

Registro:

Documento: Artículo
Título:An ansatz for the decoupling of the electron-propagator equation of motion via superoperator algebra
Autor:Bochicchio, R.C.; Grinberg, H.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Año:1990
Volumen:169
Número:3
Página de inicio:236
Página de fin:242
DOI: http://dx.doi.org/10.1016/0009-2614(90)85194-H
Título revista:Chemical Physics Letters
Título revista abreviado:Chem. Phys. Lett.
ISSN:00092614
CODEN:CHPLB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v169_n3_p236_Bochicchio

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Citas:

---------- APA ----------
Bochicchio, R.C. & Grinberg, H. (1990) . An ansatz for the decoupling of the electron-propagator equation of motion via superoperator algebra. Chemical Physics Letters, 169(3), 236-242.
http://dx.doi.org/10.1016/0009-2614(90)85194-H
---------- CHICAGO ----------
Bochicchio, R.C., Grinberg, H. "An ansatz for the decoupling of the electron-propagator equation of motion via superoperator algebra" . Chemical Physics Letters 169, no. 3 (1990) : 236-242.
http://dx.doi.org/10.1016/0009-2614(90)85194-H
---------- MLA ----------
Bochicchio, R.C., Grinberg, H. "An ansatz for the decoupling of the electron-propagator equation of motion via superoperator algebra" . Chemical Physics Letters, vol. 169, no. 3, 1990, pp. 236-242.
http://dx.doi.org/10.1016/0009-2614(90)85194-H
---------- VANCOUVER ----------
Bochicchio, R.C., Grinberg, H. An ansatz for the decoupling of the electron-propagator equation of motion via superoperator algebra. Chem. Phys. Lett. 1990;169(3):236-242.
http://dx.doi.org/10.1016/0009-2614(90)85194-H