Controlling quantum coherence of atom laser by light with strong strength |
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Authors: | Hui Jing and Molin Ge |
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Affiliation: | 1. Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071, China 2. Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071, China;Center for Advanced Study, Tsinghua University, Beijing 100084, China |
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Abstract: | A new method for controlling the quantum coherence of atom laser by applying input light with strong strength is presented within the framework of quantum dynamical theory. Unlike the case of rotating wave approximation(RWA), we show that the non-classical properties, such as sub-Poisson distribution and quadrature squeezed effect, can appear in the output atom laser beam with time. By choosing suitable initial RF phase, a steady and brighter output of squeezed coherent atom laser is also available. |
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Keywords: | atom laser quantum coherence |
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