期刊
PHYSICS LETTERS A
卷 374, 期 44, 页码 4483-4487出版社
ELSEVIER
DOI: 10.1016/j.physleta.2010.09.013
关键词
Joint remote state preparation; Information splitting; W-type state
资金
- Natural Science Foundation of Fuzhou University of China [022264, 2010-XQ-28]
- National Natural Science Foundation of Fujian Province of China [2010J01006]
- National Natural Science Foundation of China [10875020]
- China Postdoctoral Science Foundation
- Vietnam's National Foundation for Science and Technology Development (NAFOSTED)
An all W-type state task is put forward: joint remote state preparation of a W-type state via W-type states. We propose two probabilistic yet faithful schemes for the task. The first scheme uses two arbitrary W-type states as the shared quantum resource and the second scheme exploits three such states. We show that, while the first scheme requires some additional quantum resource and technical operations from the receiver, the second scheme allows any completely unequipped party to play the role of receiver. In both schemes the classical communication cost is one bit per preparer. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.
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