Affiliation:
1. Division of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, California 91101, USA
Abstract
The practical description of disordered chemical reactions, where the reactions involve multiple species at multiple sites, is presently a challenge using correlated electronic structure methods due to their high computational cost and steep scaling. Here, we describe the gradient theory of multi-fragment density matrix embedding theory, which potentially provides a minimal computational framework to model such processes at the correlated electron level. We present the derivation and implementation of the gradient theory, its validation on model systems and chemical reactions using density matrix embedding, and its application to a molecular dynamics simulation of proton transport in a small water cluster, a simple example of multi-site reaction dynamics.
Funder
U.S. Department of Energy
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy
Cited by
1 articles.
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