Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 44, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/44/3/035505
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Funding
- National Natural Science Foundation of China [11004050]
- Hunan Provincial Education Department of China [09A013, 10B013]
- Science and Technology Research Foundation of Hunan Province of China [2010FJ4120]
- Hengyang Normal University of China [2010YCJH01]
- Science Foundation of Hengyang Normal University of China [10B69]
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We propose a scheme for multiparty hierarchical quantum-information splitting (QIS) with a multipartite entangled state, where a boss distributes a secret quantum state to two grades of agents asymmetrically. The agents who belong to different grades have different authorities for recovering the boss's secret. Except for the boss's Bell-state measurement, no nonlocal operation is involved. The presented scheme is also shown to be secure against eavesdropping. Such a hierarchical QIS is expected to find useful applications in the field of modern multipartite quantum cryptography.
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