Published September 1994
| Version v1
Journal article
Mean field description of the ground state of many boson systems relevant to nuclei
Creators
- 1. Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon 1, Ciudad Universitaria, 1428 Buenos Aires (Argentina)
- 2. Departamento de Fisica, Comision Nacional de Energia Atomica, Avenida del Libertador 8250, 1429 Buenos Aires (Argentina)
Description
In the present paper we give the explicit expressions for the ground state of a many boson system in different mean field approximations, such as Hartree-Bose, Bogoliubov, the particle-hole random phase approximation (RPA), and its coupling with the particle-particle (RPA). The ground states obtained satisfy the requirement that the annihilation operators of the ''elementary excitations'' annihilates them. In all cases the ground state wave functions can be understood as a condensate of pairs of bosons
Additional details
Publishing Information
- Journal Title
- Physical Review. C, Nuclear Physics
- Journal Volume
- 50
- Journal Issue
- 3
- Journal Page Range
- p. 1518-1527.
- ISSN
- 0556-2813
- CODEN
- PRVCAN
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 26013051
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- BOSE-EINSTEIN CONDENSATION; BOSONS; GROUND STATES; HARTREE-FOCK METHOD; MANY-BODY PROBLEM; MEAN-FIELD THEORY; PARTICLE-HOLE MODEL; RANDOM PHASE APPROXIMATION
- Descriptors DEC
- CALCULATION METHODS; ENERGY LEVELS; MATHEMATICAL MODELS; NUCLEAR MODELS