First Author:Gang Chen
Date of Publication:2006-01-01
Journal:Physical Review A: Atomic, Molecular and Optical Physics
Affiliation of Author(s):数理与信息工程学院
Document Type:期刊
Volume:Vol.74
Issue:No.5
Key Words:Ground;state;Elementary;particles;Thermodynamics;Quantum;theory;Mathematical;models
Abstract:We   obtain the ground-state energy level and associated geometric phase in   the Dicke model analytically by means of the Holstein-Primakoff transformation   and the boson expansion approach in the thermodynamic limit. The   nonadiabatic geometric phase
Translation or Not:no