Phys. Rev. A 57, 1583 - 1585 (1998)

Strict bounds on the Franson inequality

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Lev Vaidman and Ori Belkind
School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel

Received 31 July 1997

An inequality, recently proposed by Franson [Phys. Rev. A 54, 3808 (1996)], is analyzed and improved. The inequality connects the change of the expectation value of an observable with the uncertainty of this observable. A strict bound on the ratio between these two quantities is obtained.


©1998 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.57.1583
DOI: 10.1103/PhysRevA.57.1583
PACS: 03.65.Bz

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