Boson mapping for a single j-shell within the quon statistics

Citation
Ss. Avancini et al., Boson mapping for a single j-shell within the quon statistics, J PHYS G-NU, 25(9), 1999, pp. 1829-1837
Citations number
16
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN journal
09543899 → ACNP
Volume
25
Issue
9
Year of publication
1999
Pages
1829 - 1837
Database
ISI
SICI code
0954-3899(199909)25:9<1829:BMFASJ>2.0.ZU;2-8
Abstract
The quon algebra, which interpolates between the Bose and Fermi algebras an d depends on a free parameter q, is used to generate a Marumori mapping of the quadrupole-quadrupole Hamiltonian, for a single j-shell. This Hamiltoni an is then diagonatized for a system composed of six fermions and its eigen values are compared with the ones obtained from the counterpart fermionic H amiltonian and with another usual boson expansion method. The deformed mapp ing is shown to require a larger basis than the usual Marumori method for t he diagonalization of the Hamiltonian. The low-lying levels of the spectrum obtained from the fermionic calculation in the SD subspace can be reproduc ed with our mapping for some selected j-shells.