Physics – Quantum Physics
Scientific paper
2009-07-31
Physics
Quantum Physics
Scientific paper
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.
Rossi R. Jr.
Fonseca K. M.
Nemes Romero M. C.
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