Bell inequalities and linear entropy. Comment on the paper of E. Santos "Entropy inequalities and Bell inequalities fro two-qubit systems"

Details Bell inequalities and linear entropy. Comment on the paper of E. Santos "Entropy inequalities and Bell inequalities fro two-qubit systems" Bell inequalities and linear entropy. Comment on the paper of E. Santos "Entropy inequalities and Bell inequalities fro two-qubit systems"

2004-09-15

arxiv.org/abs/quant-ph/0409087v1

Physics

Quantum Physics

1 page

Scientific paper

It is shown that even if the linear entropy of mixed two-qubit state is not
smaller then 0.457, Bell - CHSH inequalities can be violated. This contradicts
the result obtained in the paper of E. Santos [1].

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