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Squeezing of an atom laser originating from atomic Bose-Einstein condensate interacting with light field
Authors:Chunjia Huang  Jiayuan Fang  Huiyong He  Fanzhi Kong  Ming Zhou
Institution:School of Physics and Electronic Science, Changsha University of Science & Technology, 410076 Changsha, People’s Republic of China
Abstract:The quadrature squeezing properties of an atom laser originating from atomic Bose-Einstein condensate interacting with light field are studied. We find that the squeezing properties of the atom laser are dependent on the initial light field interacting with the atomic Bose-Einstein condensate. If the initial light field cannot be squeezed, such as number state or coherent state light field, the atom laser as well cannot be squeezed. However, if the initial light field interacting with the atomic Bose-Einstein condensate being in squeezed state, the atom laser can be squeezed periodically, and its squeezing depth is dependent on the intensity of interatoms interaction.
Keywords:Atom laser  Bose-Einstein condensate  Quadrature squeezing
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