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Non-Adiabatic Geometric Phase in a Dispersive Interaction System |
| Ji-Bing1;LI Jia-Hua 1,LV Xin-You 1;ZHENG An-Shou 1,2 |
| 1Department of Physics, Huazhong University of Science and Technology, Wuhan 4300742Department of Mathematic and Physics, China University of Geosciences, Wuhan 430074 |
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| Cite this article: |
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Ji-Bing, LI Jia-Hua, LV Xin-You et al 2007 Chin. Phys. Lett. 24 1136-1139 |
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Abstract We investigate the geometric phase and dynamic phase of a two-level fermionic system with dispersive interaction, driven by a quantized bosonic field which is simultaneously subjected to parametric amplification. It is found that the geometric phase is induced by a counterpart of the Stark shift. This effect is due to distinct shifts in the field frequency induced by interaction between different states (|e> and |g>) and cavity field, and a simple geometric interpretation of this phenomenon is given, which is helpful to understand the natural origin of the geometric phase.
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| Keywords:
03.65.Vf
42.50.Ct
42.50.Pq
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Received: 26 December 2006
Published: 23 April 2007
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| PACS: |
03.65.Vf
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(Phases: geometric; dynamic or topological)
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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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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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