The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed.
两能级原子与外部环境(热库)相互作用时，采用非旋波近似，研究原子与热辐射场单光子和双光子作用过程。
The squeezing of light in the system of two mode squeezed vacuum field interacting with a two level atom within and without the rotating wave approximation by means of quantum theory is studied.
研究了非旋波近似下双模压缩真空场与二能级原子相互作用系统中光子的统计性质，着重讨论了虚光场效应对光子统计性质的影响。
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