Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

doi:10.1088/1674-1056/23/7/074203

›› 2014, Vol. 23 ›› Issue (7): 74203-074203.doi: 10.1088/1674-1056/23/7/074203

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

H R Baghshahi^{a b c}, M K Tavassoly^{a b d}, A Behjat^{a d}

a Atomic and Molecular Group, Faculty of Physics, Yazd University, Yazd, Iran;
b The Laboratory of Quantum Information Processing, Yazd University, Yazd, Iran;
c Department of Physics, Faculty of Science, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran;
d Photonics Research Group, Engineering Research Center, Yazd University, Yazd, Iran

收稿日期:2013-06-25 修回日期:2013-11-28 出版日期:2014-07-15 发布日期:2014-07-15

Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

H R Baghshahi^{a b c}, M K Tavassoly^{a b d}, A Behjat^{a d}

a Atomic and Molecular Group, Faculty of Physics, Yazd University, Yazd, Iran;
b The Laboratory of Quantum Information Processing, Yazd University, Yazd, Iran;
c Department of Physics, Faculty of Science, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran;
d Photonics Research Group, Engineering Research Center, Yazd University, Yazd, Iran

Received:2013-06-25 Revised:2013-11-28 Online:2014-07-15 Published:2014-07-15
Contact: M K Tavassoly E-mail:mktavassoly@yazd.ac.ir
About author:42.50.-p; 89.70.Cf; 42.50.Ct; 42.50.Dv

摘要/Abstract

摘要： The interaction between a two-level atom and a single-mode field in the k-photon Jaynes-Cummings model (JCM) in the presence of the Stark shift and a Kerr medium is studied. All terms in the Hamiltonian, such as the single-mode field, its interaction with the atom, the contribution of the Stark shift and the Kerr medium effects are considered to be f-deformed. In particular, the effect of the initial state of the radiation field on the dynamical evolution of some physical properties such as atomic inversion and entropy squeezing are investigated by considering different initial field states (coherent, squeezed and thermal states).

关键词: Jaynes-Cummings model, entropy squeezing, atomic inversion, intensity-dependent coupling

Abstract: The interaction between a two-level atom and a single-mode field in the k-photon Jaynes-Cummings model (JCM) in the presence of the Stark shift and a Kerr medium is studied. All terms in the Hamiltonian, such as the single-mode field, its interaction with the atom, the contribution of the Stark shift and the Kerr medium effects are considered to be f-deformed. In particular, the effect of the initial state of the radiation field on the dynamical evolution of some physical properties such as atomic inversion and entropy squeezing are investigated by considering different initial field states (coherent, squeezed and thermal states).

Key words: Jaynes-Cummings model, entropy squeezing, atomic inversion, intensity-dependent coupling

中图分类号: (Quantum optics)

42.50.-p

89.70.Cf (Entropy and other measures of information) 42.50.Ct (Quantum description of interaction of light and matter; related experiments) 42.50.Dv (Quantum state engineering and measurements)

H R Baghshahi, M K Tavassoly, A Behjat. Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach[J]. , 2014, 23(7): 74203-074203.

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Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

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