Self-organized quantum transitions in a spin-electron coupled system

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We investigate quantum dynamics of the excited electronic states in the double-exchange model at half-filling by solving coupled equations for the quantum evolution of electrons and Landau-Lifshits-Gilbert equation for classical spins. The non-adiabatic quantum transitions driving the relaxation are coordinated through the self-organized space-time structure of the electron/spin dynamics leading to a resonant precession analogous to the ESR process.
4 pages, 3 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/229269

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0905.0311
 http://arxiv.org/abs/0905.0311

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arXiv