First Author:Gang Chen
Date of Publication:2006-01-01
Journal:New Journal of Physics
Affiliation of Author(s):数理与信息工程学院
Document Type:期刊
Volume:Vol.8
Issue:NO.12
ISSN No.:1367-2630
Key Words:Quantum;Phase;Transition;Lipkin;Model;Particle;Number;Quantum;Tunnelling
Abstract:The Lipkin model of arbitrary particle number N is studied in terms of exact differential-operator representation of spin-operators from which we obtain the low-lying energy spectrum with the instanton method of quantum tunnelling. Our new observation is
Translation or Not:no