期刊
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION
卷 4, 期 5, 页码 749-759出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219749906002201
关键词
quantum state sharing; tripartite entangled GHZ state; cavity QED
We investigate schemes to securely distribute and reconstruct single-qubit and two-qubit arbitrary quantum states between two parties via tripartite GHZ states in cavity QED without joint measurement. Our schemes offer a simple way of demonstrating quantum state sharing in cavity QED. We also consider the generalization of our schemes to distribute and reconstruct a quantum state among many parties.
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