Abstract
We derive explicit expressions for the amplitudes of the deviation vectors for the time-dependent Davydov D1, D2 and $ {\tilde {\rm D}} $ Ansätze from the exact solution of the Schrödinger equation for the Holstein polaron. By comparing the deviation amplitudes with the system energies, a systematic study is carried out on the validity of the Davydov Ansätze. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim). © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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Luo, B., Ye, J., & Zhao, Y. (2011). Variational study of polaron dynamics with the Davydov Ansätze. Physica Status Solidi (C) Current Topics in Solid State Physics, 8(1), 70–73. https://doi.org/10.1002/pssc.201000721
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