AN IMPROVEMENT ON RPA BASED ON A BOSON DESCRIPTION

Authors
ZHU SL ZHOU ZN YANG ZS
Citation
Sl. Zhu et al., AN IMPROVEMENT ON RPA BASED ON A BOSON DESCRIPTION, Communications in Theoretical Physics, 27(3), 1997, pp. 377-380
Citations number
5
Categorie Soggetti
Physics
Journal title
Communications in Theoretical Physics → ACNP
ISSN journal
02536102
Volume
27
Issue
3
Year of publication
1997
Pages
377 - 380
Database
ISI
SICI code
0253-6102(1997)27:3<377:AIORBO>2.0.ZU;2-0
Abstract
We use a solvable model to perform modified Dyson mapping and reveal t he unphysical-state effects in the original random phase approximation (RPA). We then propose a method to introduce the RPA and improve it b ased on the boson description.