Abstract
In this paper, we introduce the generalized photon-modulated squeezed thermal states (GPMSTS) obtained by repeatedly acting the combination of Bosonic creation and annihilation operation on the squeezed thermal state. We investigate the nonclassical properties of GPMSTS and its decoherence in a thermal environment according to the negative region of Wigner function. It is found that the normalization factor of GPMSTS is a Legendre polynomial. Especially, the decoherence effect is discussed by deriving the time evolution of the Wigner function.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (grant No. 11264018) and the Natural Science Foundation of Jiangxi Province of China (No. 20132BAB212006) as well as the Research Foundation of the Education Department of Jiangxi Province of China (No. GJJ12171).
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Liao, XG., Hu, LY., Xu, Xx. et al. Nonclassicality and Decoherence of Generalized Photon-Modulated Squeezed Thermal State. Int J Theor Phys 52, 3543–3559 (2013). https://doi.org/10.1007/s10773-013-1657-5
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DOI: https://doi.org/10.1007/s10773-013-1657-5