Path Integral Formalism for Nondegenerate Parametric Amplifiers in Entangled State Representation  

作　　者：FANHong-Yi LIChao LIUQiu-Yu AlfredWiinsche 

机构地区：[1]DepartmentofPhysics，ShanghaiJiaoTongUniversity,Shanghai200030,China／／DepartmentofMaterialScienceandEngineering,UniversityofScienceandTechnologyofChina,Hefei230026,China [2]DepartmentofSpecialClassforGiftedYoung,UniversityofScienceandTechnologyofChina,Hefei230026,China [3]DepartmentofModernPhysics，UniversityofScienceandTechnologyofChina~Hefei230026,China [4]InstitutfiirPhysik~Humboldt-UniversitaetBerlin,Invalidenstr.110,10115Berlin,Germany

出　　处：《Communications in Theoretical Physics》2005年第6期998-1002,共5页理论物理通讯（英文版）

基　　金：国家自然科学基金，中国科学院院长基金

摘　　要：We establish the path integral formalism for nondegenerate parametric amplifiers in the entangled state representations. Its advantage in obtaining the energy level gap of this system is analyzed.

关 键 词：path integral entangled states nondegenerate parametric amplifier 

分 类 号：O413.1[理学—理论物理]