Phys. Rev. A 80, 034102 (2009) [3 pages]Multiple-measurement Leggett-Garg inequalitiesReceived 4 August 2009; published 18 September 2009 In the investigation of the quantum to classical transition, the Leggett-Garg inequality represents what Bell’s inequality is for the study of entanglement and nonlocality: a definite quantitative test showing the inadequacy of familiar lines of thought in interpreting quantum phenomena. Here we discuss the generalization of the Leggett-Garg inequality to an arbitrary number of measurements in the perspective of its use as a tool for characterizing nondestructive measurement devices. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.034102
DOI:
10.1103/PhysRevA.80.034102
PACS:
03.65.Ta
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