两原子非简并双光子Jaynes－Cummings模型的辐射谱

本文研究了两原子非简并双光子Ｊａｙｎｅｓ－Ｃｕｍｍｉｎｇｓ模型的辐射谱，结果表明，当双模腔场处于不同数态时，辐射谱呈现如下新特性：当一腔场处于真空态，另一腔场为强场时，辐射谱为对称六峰结构，任两对称峰的间距均与成正比；当双模腔场均为强场时，辐射谱为对称四峰结构，两内峰的间距（４ｇ）与数态光子数ｎ１及ｎ２无关；当一腔场处于真空态，另一腔场处于数态｜ｎ２＞时，辐射谱一般为对称六峰结构，当ｎ２＝１时，谱变为对称四峰结构。

EMISSION SPECTRA OF THE TWO-ATOM NONDEGENERATE TWO=PHOTO JAYNES-CUMMINGS MODEL

The two-atom nondegenerate two photon Jaynes-Cummings model is analyzedfor its emission spectra.It is found that emission spectra manifest following new propertieswhen two-mode cavity fields are initially in various number states. The svectrum consistsof symmetric six peaks and each distance between two symmetric peaks is. pro porttonal to when one of fields is in the vacuum states and the other is a strong field. Thespectrum will have symmetric four peaks and the inner two poak are always separated bythe distance 4g when two field are all strong ones. When one of fieid is in the vacuumstate and the other in number state|n2>, the spectrum will generally show symmetricsix peaks structure, but when n2=1, it becomes symmetric four peaks structure.