Multi-configuration Hartree-Fock theory in nuclei

A variational method for the self-consistent solution of the nuclear many body problem with the inclusion of correlations is formulated. The trial function in this multiconfiguration-Hartree-Fock (MCHF) theory is a linear combination of unrestricted Slater determinants. The MCHF equations are given...

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Guardado en:
Detalles Bibliográficos
Autores principales: Faessler, Amand, Plastino, Ángel Luis
Formato: Articulo
Lenguaje:Inglés
Publicado: 1969
Materias:
Física
Ciencias Exactas
multiconfiguration-Hartree-Fock
nuclear many body
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/145164
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-145164
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Ciencias Exactas
multiconfiguration-Hartree-Fock
nuclear many body
spellingShingle Física
Ciencias Exactas
multiconfiguration-Hartree-Fock
nuclear many body
Faessler, Amand
Plastino, Ángel Luis
Multi-configuration Hartree-Fock theory in nuclei
topic_facet Física
Ciencias Exactas
multiconfiguration-Hartree-Fock
nuclear many body
description A variational method for the self-consistent solution of the nuclear many body problem with the inclusion of correlations is formulated. The trial function in this multiconfiguration-Hartree-Fock (MCHF) theory is a linear combination of unrestricted Slater determinants. The MCHF equations are given and a simple procedure for solving them is outlined. A great advantage of this method is that it also yields the excited states. It is shown that the trial function is stable against particle-hole excitations. Therefore the Slater determinants differ from each other at least by two particle — two hole excitations. This method is applied to the Lipkin model. In the MCHF method the difference to the exact solution is reduced by a factor three to ten compared with the corresponding value in the HF approach.
format Articulo
Articulo
author Faessler, Amand
Plastino, Ángel Luis
author_facet Faessler, Amand
Plastino, Ángel Luis
author_sort Faessler, Amand
title Multi-configuration Hartree-Fock theory in nuclei
title_short Multi-configuration Hartree-Fock theory in nuclei
title_full Multi-configuration Hartree-Fock theory in nuclei
title_fullStr Multi-configuration Hartree-Fock theory in nuclei
title_full_unstemmed Multi-configuration Hartree-Fock theory in nuclei
title_sort multi-configuration hartree-fock theory in nuclei
publishDate 1969
url http://sedici.unlp.edu.ar/handle/10915/145164
work_keys_str_mv AT faessleramand multiconfigurationhartreefocktheoryinnuclei
AT plastinoangelluis multiconfigurationhartreefocktheoryinnuclei
bdutipo_str Repositorios
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