DepartmentofPhysics;
ShanghaiJiaoTongUniversity;
Shanghai200030;
China//DepartmentofMaterialScienceandEngineering;
UniversityofScienceandTechnologyofChina;
Hefei230026;
China;
DepartmentofSpecialClassforGiftedYoung;
UniversityofScienceandTechnologyofChina;
Hefei230026;
China;
DepartmentofModernPhysics;
UniversityofScienceandTechnologyofChina~Hefei230026;
China;
InstitutfiirPhysik~Humboldt-UniversitaetBerlin;
Invalidenstr.110;
10115Berlin;
Germany;
路径积分; 量子力学; 缠结态; 不衰退参数放大器; 能级缝隙;