Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators

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It is shown that the value obtained for the energy-weighted sum rule for bilinear fermionic operators using dressed one-particle propagators plus two-body random-phase approximation corrections is preserved when any higher-order correction is introduced. This is proven through the evaluation of the...

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Autores principales: Dussel, G.G., Perazzo, R.P.J., Sofia, H.M.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_05562813_v43_n3_p1211_Dussel
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_05562813_v43_n3_p1211_Dussel2023-10-03T15:34:39Z Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators Dussel, G.G. Perazzo, R.P.J. Sofia, H.M. It is shown that the value obtained for the energy-weighted sum rule for bilinear fermionic operators using dressed one-particle propagators plus two-body random-phase approximation corrections is preserved when any higher-order correction is introduced. This is proven through the evaluation of the corresponding perturbative diagrams. © 1991 The American Physical Society. Fil:Dussel, G.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Perazzo, R.P.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Sofia, H.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_05562813_v43_n3_p1211_Dussel
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description It is shown that the value obtained for the energy-weighted sum rule for bilinear fermionic operators using dressed one-particle propagators plus two-body random-phase approximation corrections is preserved when any higher-order correction is introduced. This is proven through the evaluation of the corresponding perturbative diagrams. © 1991 The American Physical Society.
format JOUR
author Dussel, G.G.
Perazzo, R.P.J.
Sofia, H.M.
spellingShingle Dussel, G.G.
Perazzo, R.P.J.
Sofia, H.M.
Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
author_facet Dussel, G.G.
Perazzo, R.P.J.
Sofia, H.M.
author_sort Dussel, G.G.
title Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
title_short Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
title_full Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
title_fullStr Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
title_full_unstemmed Perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
title_sort perturbative analysis of the energy-weighted sum rule of bilinear fermion operators
url http://hdl.handle.net/20.500.12110/paper_05562813_v43_n3_p1211_Dussel
work_keys_str_mv AT dusselgg perturbativeanalysisoftheenergyweightedsumruleofbilinearfermionoperators
AT perazzorpj perturbativeanalysisoftheenergyweightedsumruleofbilinearfermionoperators
AT sofiahm perturbativeanalysisoftheenergyweightedsumruleofbilinearfermionoperators
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