Zeno effect in parametric down-conversion
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1996
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American Physical Society
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Abstract
Two examples are presented where the photon emission on spontaneous parametric down-conversion is prevented when attempts are made to infer the moment of emission. This inhibition is analyzed in terms of the disturbance caused on the system by the modifications that must be introduced in order to make possible such inference.
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© 1996 The American Physical Society. A. L. acknowledges the support of a grant from the Dirección General de Investigación Científica y Técnica del Ministerio Español de Educación y Ciencia and the kind hospitality from the Optics Department of the Palacký University. J. P. acknowledges partial support of the Grant No. 202y96y0421 of Czech Grant Agency.