Quantum nonlocality of polarization-momentum hyper-entangled states

被引：1
|
作者：
Barbieri, M.
De Martini, F.
Mataloni, P.
Vallone, G.
机构：
[1] Univ Roma La Sapienza, Consorzio Nazl Interuniv Sci Fis Mat, Dipartimento Fis, I-00185 Rome, Italy
[2] Univ Turin, Ist Nazl Fis Nucl, Dipartimento Fis Teor, I-10125 Turin, Italy
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2007年 / 5卷 / 1-2期
关键词：
quantum nonlocality; entanglement; spontaneous parametric down conversion;
D O I：
10.1142/S0219749907002505
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We present two experimental tests of nonlocality, namely the Bell's inequalities and the "All Versus Nothing" (AVN) proof, performed with a two photon hyper-entangled state, entangled in polarization and momentum. These states, which double the extension of the available qubits, are engineered by a simple experimental method which uses linear optics and a single Type I nonlinear crystal. The AVN test of local realism represents a generalization of the GHZ to the case of two entangled particles and two observers.
引用
收藏
页码：37 / 42
页数：6
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