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Greenberger-Horne-Zeilinger paradoxes for many qudits

被引：77
作者：
Cerf, NJ
Massar, S
Pironio, S
机构：
[1] Free Univ Brussels, Ecole Polytech, B-1050 Brussels, Belgium
[2] Free Univ Brussels, Serv Phys Theor, B-1050 Brussels, Belgium
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 08期
关键词：
Greenberger-Horne-Zeilinger paradoxes - Pauli matrices - Quantum error correcting codes - Qudits;
D O I：
10.1103/PhysRevLett.89.080402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We construct Greenberger-Horne-Zeilinger (GHZ) contradictions for three or more parties sharing an entangled state, the dimension of each subsystem being an even integer d. The simplest example that goes beyond the standard GHZ paradox (three qubits) involves five ququats (d=4). We then examine the criteria that a GHZ paradox must satisfy in order to be genuinely M partite and d dimensional.
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页码：1 / 080402
页数：4
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