Published June 1981
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Collective hamiltonians in the generator coordinate method: a numerical procedure
Description
A numerical procedure is introduced which allows to-extract a collective hamiltonian, expressed in terms of a collective canonical pair p and q. The starting point is a microscopic many-body approach, namely the Generator Coordinate Method (GCM), and the Weyl formalism permits the description of the collective dynamics in the p-q space. As an illustration numerical calculations are compared with exact results, obtained analytically, for the quadratic energy kernel with gaussian overlap approximation case and the Goldhaber-Teller dipole model applied to the 4He nucleus. (Author)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Introduz-se um procedimento numerico que permite extrair uma hamiltoniana coletiva, expressa em termos de um par canonico coletivo p e q. o ponto de partida e uma abordagem de muitos corpos microscopica, a saber o metodo de coordenadas geradoras, e o formalismo de Weyl permite a descricao da dinamica coletiva no espaco p - q. Como uma ilustracao, comparam-se calculos numericos com resultados exatos, obtidos analiticamente, para o caroco de energia quadratico com o caso de aproximacao de recobrimento gaussiano e o modelo de dipolo de Goldhaber-Teller aplicado ao nucleo de 4He. (L.C.)Files
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Additional details
Publishing Information
- Imprint Pagination
- 28 p.
- Report number
- IFT-P--10/81
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 13701751
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- COMPARATIVE EVALUATIONS; COMPILED DATA; GENERATOR-COORDINATE METHOD; GIANT RESONANCE MODEL; HAMILTONIANS; HELIUM 4; NUMERICAL SOLUTION; THEORETICAL DATA
- Descriptors DEC
- DATA; EVEN-EVEN NUCLEI; HELIUM ISOTOPES; INFORMATION; ISOTOPES; LIGHT NUCLEI; MATHEMATICAL OPERATORS; NUCLEI; NUMERICAL DATA; QUANTUM OPERATORS; STABLE ISOTOPES