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Oscillations de Rabi quantiques : test direct de la quantification du champ

Abstract : Circular Rydberg atom and electromagnetic field stored in superconducting cavity constitute a simple system, isolated from the environment and allow us to study the interaction between the matter and the radiation. This work presents an experiment in a resonant regime. The Rabi signal corresponding to the evolution of the atomic populations presents Fourier components at frequencies proportional to square root of successive integers; it's a direct evidence of field quantization in a cavity. We also demonstrate that the analysis of the signal gives the distribution of the photons number in the field stored in the cavity. This states are called " Schrödinger cat states". The study of the decoherence of this state versus the photons contained in this fields will allow us to explore the boundary between the classical and the quantum world.
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https://tel.archives-ouvertes.fr/tel-00011908
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Submitted on : Friday, March 10, 2006 - 9:02:47 AM
Last modification on : Thursday, October 29, 2020 - 3:01:38 PM
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  • HAL Id : tel-00011908, version 1

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Abdelhamid Maali. Oscillations de Rabi quantiques : test direct de la quantification du champ. Physique Atomique [physics.atom-ph]. Université Pierre et Marie Curie - Paris VI, 1996. Français. ⟨tel-00011908⟩

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