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Related Experiment Video

Updated: Jan 9, 2026

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

Published on: April 12, 2019

Quantum geometrical molecular dynamics.

Yujuan Xie^1,2, Ruoxi Liu¹, Bing Gu^1,2

¹Department of Chemistry and Department of Physics, Westlake University, Hangzhou, Zhejiang 310030, China.

Science Advances

|December 10, 2025

Summary

This summary is machine-generated.

We introduce a quantum geometric framework for molecular dynamics, revealing how electronic state geometry, not just energy, governs atomic motion in both adiabatic and nonadiabatic processes.

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Area of Science:

Quantum Chemistry
Theoretical Chemistry
Chemical Physics

Background:

Molecular reactive quantum dynamics are complex to model.
Existing methods struggle with singularities arising from nonanalytic electronic states.

Purpose of the Study:

To develop a unified and exact quantum geometric framework for molecular reactive quantum dynamics.
To unveil the critical roles of quantum geometry in adiabatic and nonadiabatic dynamics.

Main Methods:

Developed a numerically exact geometric quantum molecular dynamics method.
Employed discrete local trivialization of the projected electronic Hilbert space bundle.
Encoded the electronic quantum geometric tensor within the global electronic overlap matrix.

Main Results:

The framework eliminates singularities from nonanalytic adiabatic electronic states.
Atomic motion is governed by variations in electronic energies and electronic quantum geometry.
Demonstrated the critical role of quantum geometry in both adiabatic and nonadiabatic quantum dynamics.

Conclusions:

The developed method provides an exact and unified approach to quantum molecular dynamics.
The strategy of discrete local trivialization is applicable to broader quantum dynamics problems, including non-Hermitian systems and arbitrary fiber bundles.