R. Rossi Jr., K. M. Fonseca, Romero M. C. Nemes
Published 2009-07-31Version 1
The usual semiclassical approximation for atom-field dynamics consists in substituting the field operators by complex numbers related to the (supposedly large enough) intensity of the field. We show that a semiclassical evolution for coupled systems can always be obtained by frequent Zeno-like measurements on the state of one subsystems, independently of the field intensity in the example given. We study the Jaynes Cummings model from this perspective.
Journal: Physics Letters. A , v. 374, p. 158-160, 2009
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