Chin. Phys. Lett.  1996, Vol. 13 Issue (6): 432-435    DOI:
Original Articles |
Squeezing in the Thermal Jaynes-Cummings Model
XIE Rui-hua1,3,4;ZOU You-tao1;LIU Dun-huan2
1Department of Physics, Nanjing University, Nanjing 210008 2Department of Physics, Wuhan University, Wuhan 430072 3National Laboratory of Solid State Microstructures, Institute for Solid State Physics, 4Center for Advanced Studies in Science and Technology of Microstructures, Nanjing University, Nanjing 210008
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XIE Rui-hua, ZOU You-tao, LIU Dun-huan 1996 Chin. Phys. Lett. 13 432-435
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Abstract We have studied the influence of thermal photons on the symmetry between the field and atomic squeezing (SFAS) exposed in the resonant vacuum-field Jaynes-Cummings model with an initially coherent atom. We have shown that when the number of thermal photons (Nav) is less than 0.01, the SFAS is not sensitive to the presence of thermal photons; when Nav≥ 0.01, the broken SFAS can be seen; when Nav≥ 0.1, the squeezed atom cannot radiate a squeezed field any longer. Also, we have discussed the possibility of detection of the boken symmetry in superconducting maser cavity.
Keywords: 42.50.Dv      32.80.-t     
Published: 01 June 1996
PACS:  42.50.Dv (Quantum state engineering and measurements)  
  32.80.-t (Photoionization and excitation)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1996/V13/I6/0432
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