Journal
CHINESE PHYSICS B
Volume 24, Issue 8, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/24/8/080306
Keywords
collective noise; hyperentanglement; channel capacity
Categories
Funding
- National Natural Science Foundation of China [61402058]
- Science and Technology Support Project of Sichuan Province, China [2013GZX0137]
- Fund for Young Persons Project of Sichuan Province, China [12ZB017]
- Foundation of Cyberspace Security Key Laboratory of Sichuan Higher Education Institutions, China [szjj2014-074]
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Higher channel capacity and security are difficult to reach in a noisy channel. The loss of photons and the distortion of the qubit state are caused by noise. To solve these problems, in our study, a hyperentangled Bell state is used to design faithful deterministic secure quantum communication and authentication protocol over collective-rotation and collective-dephasing noisy channel, which doubles the channel capacity compared with using an ordinary Bell state as a carrier; a logical hyperentangled Bell state immune to collective-rotation and collective-dephasing noise is constructed. The secret message is divided into several parts to transmit, however the identity strings of Alice and Bob are reused. Unitary operations are not used.
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