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Dynamical Manipulation for spin-1/2 Systems

David J. Fernandez C., Oscar Rosas-Ortiz

quant-pharXiv:quant-ph/9706044

Abstract

By means of the inverse techniques we analyse the evolution of purely spin-1/2 systems in homogeneous magnetic fields as well as the generation of exact solutions. Some ``evolution loops'', dynamical processes for which any state evolves cyclically, are presented, and their corresponding geometric phases are evaluated

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