INSTANTANEOUS RESONANCE FLUORESCENCE SPECTRUM OF A TWO LEVEL ATOMIC SYSTEM DRIVEN BY AN EXPONENTIAL BY DCEAYING FIELD
呈指数衰变驱动场的作用下二能级原子系统的瞬态共振荧光光谱

The commutation relation and quantum mechanical Langevin equations for a two-levef system is evaluated at first. Then, the instantaneous fluorescence spectrum of atomic system driven by an exponentially decaying field is calculated.