Articles with "holstein model" as a keyword



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Density-Matrix Embedding Theory Study of the One-Dimensional Hubbard–Holstein Model

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Published in 2019 at "Journal of Chemical Theory and Computation"

DOI: 10.1021/acs.jctc.8b01116

Abstract: We present a density-matrix embedding theory (DMET) study of the one-dimensional Hubbard–Holstein model, which is paradigmatic for the interplay of electron–electron and electron–phonon interactions. Analyzing the single-particle excitation gap, we find a direct Peierls insulator… read more here.

Keywords: dimensional hubbard; holstein model; hubbard holstein; one dimensional ... See more keywords
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On the calculation of thermodynamic quantities in the Holstein model for homogeneous polynucleotides

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Published in 2017 at "Journal of Experimental and Theoretical Physics"

DOI: 10.1134/s1063776117040124

Abstract: The dynamics of a system for different types of polarons, i.e., in polythymine nucleotides (large-radius polaron), in polyadenine fragments (small-radius polaron), and in polyguanine DNA (intermediate case) at different thermostat temperatures are calculated using the… read more here.

Keywords: quantities holstein; temperature; holstein model; thermodynamic quantities ... See more keywords