Atomic emission spectra and field non-classical properties |
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Authors: | Tang Pei and Guo Hong |
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Affiliation: | College of Physical Science and Technology, Huazhong Normal University, Wuhan 430079, China |
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Abstract: | This paper studies the interaction of a $Lambda$-type three-levelatom with a single mode field. It discusses the emission spectrumcharacteristics of the $Lambda $-type three-level atom driven bythe photon-added coherent field. By means of the second-order degreeof coherence, it shows some nonclassical properties of the cavityfield, such as sub-Poissonian photon-number distribution and thetwo-time intensity--intensity correlation which violates theCauchy--Schwarz inequality. |
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Keywords: | emission spectrum photon-addedcoherent state second-order degree of coherence |
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