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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 Yeon Kyu-Hwang |
| Affiliation: | BK21 Program Physics and Department of Physics, Collegeof 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 vacuumstates (CTESVS) by considering the two-photon interaction between atwo-level atom and a high-quality cavity, driven by a strongclassical field. After the realization of simple atomic measurements,the generation of CTESVS in four separate cavities is accomplishedwithin the cavity decay time. In the case of large atom--cavitydetuning, the scheme is immune to the effect of atomic spontaneousemission. |
| Keywords: | cluster state squeezed vacuum state quantum entanglement |
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