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Progressive field-state collapse and quantum non demolition photon counting

Guerlin, C; Bernu, Julien; Deleglise, S; Sayrin, C; Gleyzes, S; Kuhr, S; Brune, M; Raimond, J-M; Haroche, S


The irreversible evolution of a microscopic system under measurement is a central feature of quantum theory. From an initial state generally exhibiting quantum uncertainty in the measured observable, the system is projected into a state in which this observable becomes precisely known. Its value is random, with a probability determined by the initial system's state. The evolution induced by measurement (known as 'state collapse') can be progressive, accumulating the effects of elementary state...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Nature
DOI: 10.1038/nature06057


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