Scheme for sharing classical information via tripartite entangled states |
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Authors: | Xue Zheng-Yuan Yi You-Min and Cao Zhuo-Liang |
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Institution: | Key Laboratory of Opto-electronic Information Acquisition and Manipulation Ministry of Education,and School of Physics and Material Science, Anhui University, Hefeim 230039, China |
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Abstract: | We investigate schemes for quantum secret sharing and quantum dense
coding via tripartite entangled states. We present a scheme for
sharing classical information via entanglement swapping using two
tripartite entangled GHZ states. In order to throw light upon the
security affairs of the quantum dense coding protocol, we also
suggest a secure quantum dense coding scheme via W state by
analogy with the theory of sharing information among involved users. |
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Keywords: | quantum secret sharing quantum dense coding tripartite entangled state |
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