Undetermined states: how to find them and their applications

被引：0
作者：
M. H. Hsieh
W. T. Yen
L. Y. Hsu
机构：
[1] ERATO-SORST Quantum Computation and Information Project,Department of Physics
[2] Japan Science and Technology Agency,undefined
[3] 5-28-3,undefined
[4] Hongo,undefined
[5] Bunkyo-ku,undefined
[6] Chung Yuan Christian University,undefined
来源：
The European Physical Journal D | 2011年 / 61卷
关键词：
Logic State; Graph State; Quantum Cryptography; Quantum Secret Sharing; Reduce Density Matrice;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We investigate the undetermined sets consisting of two-level, multi-partite pure quantum states, whose reduced density matrices give absolutely no information of their original states. Two approached of finding these quantum states are proposed. One is to establish the relation between codewords of the stabilizer quantum error correction codes (SQECCs) and the undetermined states. The other is to study the local complementation rules of the graph states. As an application, the undetermined states can be exploited in the quantum secret sharing scheme. The security is guaranteed by their undetermineness.
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页码：261 / 265
页数：4
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