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Generation of cluster-type entangled squeezed vacuum states |
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| Authors: | Wen Jing-Ji Shao Xiao-Qiang Jin Xing-Ri Zhang Shou and Yeon Kyu-Hwang |
| Institution: | BK21 Program Physics and Department of Physics, College of Natural Science, Chungbuk National University, Cheonju, Chungbuk 361-763, Republic of Korea; Department of Physics, College of Science, Yanbian University, Yanji 133002, China; Department of Physics, College of Science, Yanbian University, Yanji 133002, China;Center for the Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, China |
| Abstract: | We present a scheme to prepare cluster-type entangled squeezed vacuum states (CTESVS) by considering the two-photon interaction between a two-level atom and a high-quality cavity, driven by a strong classical field. After the realization of simple atomic measurements, the generation of CTESVS in four separate cavities is accomplished within the cavity decay time. In the case of large atom--cavity detuning, the scheme is immune to the effect of atomic spontaneous emission. |
| Keywords: | cluster state squeezed vacuum state quantum entanglement |
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