Memory superoperator representation of projected one-particle causal propagators

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Propagator theory is formulated in terms of memory superoperators. Spectral representations for projected Zwanzig-Feshbach type field operators and memory superoperators are obtained. It is shown that the information contained in such a formulation is the same as that obtained by traditional methods...

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Autores principales: Bochicchio, R.C., Grinberg, H.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_01661280_v254_nC_p71_Bochicchio
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_01661280_v254_nC_p71_Bochicchio
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spelling todo:paper_01661280_v254_nC_p71_Bochicchio2023-10-03T15:03:19Z Memory superoperator representation of projected one-particle causal propagators Bochicchio, R.C. Grinberg, H. Propagator theory is formulated in terms of memory superoperators. Spectral representations for projected Zwanzig-Feshbach type field operators and memory superoperators are obtained. It is shown that the information contained in such a formulation is the same as that obtained by traditional methods. The importance of the present formalism is that we may deal not only with equilibrium processes but also with non-equilibrium situations. Some future lines of research are briefly discussed. © 1992. Fil:Bochicchio, R.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Grinberg, H. 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_01661280_v254_nC_p71_Bochicchio
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Propagator theory is formulated in terms of memory superoperators. Spectral representations for projected Zwanzig-Feshbach type field operators and memory superoperators are obtained. It is shown that the information contained in such a formulation is the same as that obtained by traditional methods. The importance of the present formalism is that we may deal not only with equilibrium processes but also with non-equilibrium situations. Some future lines of research are briefly discussed. © 1992.
format JOUR
author Bochicchio, R.C.
Grinberg, H.
spellingShingle Bochicchio, R.C.
Grinberg, H.
Memory superoperator representation of projected one-particle causal propagators
author_facet Bochicchio, R.C.
Grinberg, H.
author_sort Bochicchio, R.C.
title Memory superoperator representation of projected one-particle causal propagators
title_short Memory superoperator representation of projected one-particle causal propagators
title_full Memory superoperator representation of projected one-particle causal propagators
title_fullStr Memory superoperator representation of projected one-particle causal propagators
title_full_unstemmed Memory superoperator representation of projected one-particle causal propagators
title_sort memory superoperator representation of projected one-particle causal propagators
url http://hdl.handle.net/20.500.12110/paper_01661280_v254_nC_p71_Bochicchio
work_keys_str_mv AT bochicchiorc memorysuperoperatorrepresentationofprojectedoneparticlecausalpropagators
AT grinbergh memorysuperoperatorrepresentationofprojectedoneparticlecausalpropagators
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