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Quantum Superdense Coding Based on Coherent States in Cavity QED |
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| Authors: | Qiong Wu Ming Yang |
| Affiliation: | (1) School of Mathematics Sciences and Computing Technology, Anqing Teachers College, Anqing, 246011, China;(2) Key Lab of Intelligent Computing and Signal Processing, Anhui University, Hefei, 230039, China;(3) Key Laboratory of Opto-Electronic Information Acquisition and Manipulation, Ministry of Education, School of Physics and Material Science, Anhui University, Hefei, 230039, China |
| Abstract: | A physical scheme for the implementation of quantum superdense coding has been proposed in Cavity QED. The detuned interaction between Λ-type three-level atoms and coherent fields constitute the main superdense coding process. The quantum superdense coding can be realized in an easier way, and the atoms are not excited during the whole process, so the effect of atomic decay is eliminated naturally. |
| Keywords: | Quantum superdense coding Quantum entanglement Cavity QED Coherent states |
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