摘要
研究了多能级原子的量子跳跃行为，构造出多能级原子系统光学Ｂｌｏｃｋ方程的形式解．证明了Ｍｏｌｏｗ的纯态描述理论不适用于多能级原子，为此，发展了混合态描述理论，得出了多能级原子的重置密度矩阵为混合态的结论．最后，讨论了多能级原子的量子跳跃与连续量子测量的联系．
Abstract In
this paper we investigate the quantum jump in a multi level atom and construct a formal
solution to the optical Block equation describing the interaction system of the multi level atom
with incident resonant laser.It is proved that pure state analysis theory is no longer applicable
to a multi level atom system,so a mixed one is developed,concluding that the resetting density
of a multi level atom should be described by mixed state analysis theory.We also discuss the
continuous quantum measurement along with quantum jumping in a multi level atom.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
1999年第5期775-786,共12页
Acta Physica Sinica
基金
国家自然科学基金
浙江大学曹光彪高科技发展基金
浙江省自然科学基金
