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Tunnelling of Two-Level Atoms in Two-Photon Mazer: Atomic Coherence Effect and Statistics of Cavity Fields |
| HE Xiao-Ling;DU Si-De;ZHOU Lu-Wei;WANG Qi-Sheng;CHEN Hao |
| State Key Laboratory of Applied Surface Physics, Department of Physics, Fudan University, Shanghai 200433 |
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| Cite this article: |
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HE Xiao-Ling, DU Si-De, ZHOU Lu-Wei et al 2004 Chin. Phys. Lett. 21 18-21 |
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Abstract 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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| Keywords:
03.75.-b
42.50.Ct
03.65.Xp
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Published: 01 January 2004
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| PACS: |
03.75.-b
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42.50.Ct
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(Quantum description of interaction of light and matter; related experiments)
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03.65.Xp
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(Tunneling, traversal time, quantum Zeno dynamics)
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