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Moving bases as an alternative to 'interaction representations'

par Jeener, Jean
Référence Comptes rendus. Physique, 5, 3, page (393-406)
Publication Publié, 2004-04

Article révisé par les pairs

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Résumé :

The use of multiple bases moving with respect to each other in quantum dynamics is discussed. This procedure is formally equivalent to the use of interaction pictures, but it leads to an intuitively simpler interpretation of the calculations. A close analogy is shown between the rotating frames of classical NMR theory and the use of moving (rotating) bases in the corresponding quantum presentation, for the traditional basic NMR experiment and for two problems involving Berry's phase. © 2004 Académie des sciences. Published by Elsevier SAS. All rights reserved.