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Analog of Rabi oscillations in resonant electron-ion systems

AuthorsStella, Lorenzo; Miranda, Rafael P.; Horsfield, Andrew P.; Fisher, Andrew J.
Issue Date2011
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 134(19): 194105 (2011)
AbstractQuantum coherence between electron and ion dynamics, observed in organic semiconductors by means of ultrafast spectroscopy, is the object of recent theoretical and computational studies. To simulate this kind of quantum coherent dynamics, we have introduced in a previous article [L. Stella, M. Meister, A. J. Fisher, and A. P. Horsfield, J. Chem. Phys. 127, 214104 (2007)]10.1063/1.2801537 an improved computational scheme based on Correlated Electron-Ion Dynamics (CEID). In this article, we provide a generalization of that scheme to model several ionic degrees of freedom and many-body electronic states. To illustrate the capability of this extended CEID, we study a model system which displays the electron-ion analog of the Rabi oscillations. Finally, we discuss convergence and scaling properties of the extended CEID along with its applicability to more realistic problems.
Description13 páginas, 4 figuras.
Publisher version (URL)http://dx.doi.org/10.1063/1.3589165
Appears in Collections:(CFM) Artículos
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