Pré-Publication, Document De Travail Année : 2009

The one-half spin free Larmor and parametrically induced Rabi precessions simulated with two coupled pendula

Résumé

It was already shown that, with a simplest classical device, namely two coupled pendula, one can simulate the movement of a free quantum two-level system, as for instance a one-half spin in a static magnetic field. We now show that, with a hardly more sophisticated device, one can simulate the latter system undergoing a sinusoidal perturbation. We present an experimental mechanical illustration of the transition of the system between its two eigenstates, known as the Rabi precession. Abstract theoretical concepts of absorption and stimulated emission of energy are thus provided with an intuitive support.

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Dates et versions

hal-00408516 , version 1 (30-07-2009)

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  • HAL Id : hal-00408516 , version 1

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Valentin Leroy, Jean-Claude Bacri, Thierry Hocquet, Martin Devaud. The one-half spin free Larmor and parametrically induced Rabi precessions simulated with two coupled pendula. 2009. ⟨hal-00408516⟩
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