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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.3 No.2, March 2003 |
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Bell
inequality for quNits with binary measurements
(pp157-164)
H. Bechmann-Pasquinucci and
N. Gisin
doi:
https://doi.org/10.26421/QIC3.2-6
Abstracts:
We present a generalized Bell inequality for two
entangled quNits. On one quNit the choice is between two standard von
Neumann measurements, whereas for the other quNit there are N^2
different binary measurements. These binary measurements are related to
the intermediate states known from eavesdropping in quantum
cryptography. The maximum violation by \sqrt{N} is reached for the
maximally entangled state. Moreover, for N=2 it coincides with the
familiar CHSH-inequality.
Key words: Bell
inequality |
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