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We theoretically investigate the emission spectrum for a Λ-type three-level atom trapped in the node of a standing wave. We show that the atomic center-of-mass motion not only directly affects the peak number, peak position, and peak height in the atomic emission spectrum, but also influences the effects of the cavity field and the atomic initial state on atomic emission spectrum. 相似文献
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This paper studies the interaction of a Λ-type three-level
atom with a single mode field. It discusses the emission spectrum
characteristics of the Λ -type three-level atom driven by
the photon-added coherent field. By means of the second-order degree
of coherence, it shows some nonclassical properties of the cavity
field, such as sub-Poissonian photon-number distribution and the
two-time intensity--intensity correlation which violates the
Cauchy--Schwarz inequality. 相似文献
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