| Tunnelling of Two-Level Atoms in Two-Photon Mazer： Atomic Coherence Effect and Statistics of Cavity Fields |
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| 引用本文： | 何小灵,杜四德,周鲁卫,汪启胜,陈灏.Tunnelling of Two-Level Atoms in Two-Photon Mazer： Atomic Coherence Effect and Statistics of Cavity Fields[J].中国物理快报,2004,21(1):18-21. |
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| 作者姓名： | 何小灵 杜四德 周鲁卫 汪启胜 陈灏 |
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| 作者单位： | StateKeyLaboratoryofAppliedSurfacePhysics,DepartmentofPhysics,FudanUniversity,Shanghai200433 |
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| 摘 要： | Tunnelling of a two-level atom is investigated in the two-photon mazer when the atom is initially prepared in a coherent superposition state and the cavity in various quantum states. For a strong coherent field, the tunnelling exhibits more regular oscillations but less remarkable switch effect than that in the one-photon mazer. It is discovered that in the presence of atomic coherence， the transmission probabilities in the ultracold regime are significantly different when the cavity field is initially in coherent, squeezed vacuum, even cat and odd cat states, respectively.
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| 关 键 词： | 双层原子 隧道效应 双光子 谐振腔统计 原子核一致效应 量子光学 |
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