Articles with "ensemble density" as a keyword



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Direct Nonadiabatic Dynamics by Mixed Quantum-Classical Formalism Connected with Ensemble Density Functional Theory Method: Application to trans-Penta-2,4-dieniminium Cation.

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Published in 2018 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.8b00217

Abstract: In this work, a direct mixed quantum-classical dynamics approach is presented, which combines two new computational methodologies. The nuclear dynamics is solved by the decoherence-induced surface hopping based on the exact factorization (DISH-XF) method, which… read more here.

Keywords: density functional; theory; ensemble density; quantum classical ... See more keywords
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Hartree and Exchange in Ensemble Density Functional Theory: Avoiding the Nonuniqueness Disaster.

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Published in 2017 at "Physical review letters"

DOI: 10.1103/physrevlett.119.243001

Abstract: Ensemble density functional theory is a promising method for the efficient and accurate calculation of excitations of quantum systems, at least if useful functionals can be developed to broaden its domain of practical applicability. Here,… read more here.

Keywords: exchange ensemble; density functional; hartree exchange; ensemble density ... See more keywords