Journal
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Volume 48, Issue 1, Pages 95-100Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-008-9785-z
Keywords
Controlled dense coding; GHZ-class state; Amount of information
Categories
Funding
- National Natural Science Foundation of China [10404010]
- Scientific Research Fund of Jiangxi Provincial Educational department [112[2006]]
- Talent Fund of Jiangxi Normal University [1186, 1187]
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Controlled dense coding via multi-particles GHZ state and multi-particles GHZ-class state are exploited in this letter. The quantum channel and the amount of information between the senders and the receivers are controlled by the supervisor via his local measurement. The amount of information is determined by Charlie's measurement in the former case of GHZ state, and also by the coefficients of the original GHZ-class state in the latter case.
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