Maximal violation of Bell inequalities for mixed states

SL BRAUNSTEIN; A MANN; M REVZEN

doi:10.1103/PhysRevLett.68.3259

Maximal violation of Bell inequalities for mixed states

SL BRAUNSTEIN, A MANN, M REVZEN

Computer Science

Research output: Contribution to journal › Article › peer-review

Abstract

We show that mixed states can produce maximal violations in the Bell inequality due to Clauser, Horne, Shimony, and Holt (CHSH). This follows from the degeneracy of the operator which is naturally associated with the Bell inequality (here called the Bell operator). We have calculated the form of all the eigenvalues for the generic CHSH Bell operator. Finally, we consider several examples which demonstrate the utility of studying the eigenvalues and eigenvectors of the Bell operator.

Original language	Undefined/Unknown
Pages (from-to)	3259-3261
Number of pages	3
Journal	Physical Review Letters
Volume	68
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.68.3259
Publication status	Published - 1 Jun 1992

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10.1103/PhysRevLett.68.3259

Cite this

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abstract = "We show that mixed states can produce maximal violations in the Bell inequality due to Clauser, Horne, Shimony, and Holt (CHSH). This follows from the degeneracy of the operator which is naturally associated with the Bell inequality (here called the Bell operator). We have calculated the form of all the eigenvalues for the generic CHSH Bell operator. Finally, we consider several examples which demonstrate the utility of studying the eigenvalues and eigenvectors of the Bell operator.",

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