中国物理B ›› 2011, Vol. 20 ›› Issue (6): 60301-060301.doi: 10.1088/1674-1056/20/6/060301
向阳
收稿日期:
2010-09-20
修回日期:
2011-03-30
出版日期:
2011-06-15
发布日期:
2011-06-15
基金资助:
Xiang Yang (向阳)
Received:
2010-09-20
Revised:
2011-03-30
Online:
2011-06-15
Published:
2011-06-15
Supported by:
摘要: We give an analytic quantitative relation between Hardy's non-locality and Bell operator. We find that Hardy's non-locality is a sufficient condition for the violation of Bell inequality, the upper bound of Hardy's non-locality allowed by information causality just corresponds to Tsirelson bound of Bell inequality and the upper bound of Hardy's non-locality allowed by the principle of no-signaling just corresponds to the algebraic maximum of Bell operator. Then we study the Cabello's argument of Hardy's non-locality (a generalization of Hardy's argument) and find a similar relation between it and violation of Bell inequality. Finally, we give a simple derivation of the bound of Hardy's non-locality under the constraint of information causality with the aid of the above derived relation between Hardy's non-locality and Bell operator.
中图分类号: (Entanglement and quantum nonlocality)
向阳. The relation between Hardy's non-locality and violation of Bell inequality[J]. 中国物理B, 2011, 20(6): 60301-060301.
Xiang Yang (向阳). The relation between Hardy's non-locality and violation of Bell inequality[J]. Chin. Phys. B, 2011, 20(6): 60301-060301.
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