This collection explores the fascinating intersection where the laws of physics meet the complex machinery of chemistry. Here, researchers investigate how quantum mechanics governs molecular bonds, how light interacts with matter at the atomic scale, and how fundamental forces shape chemical reactions. It is a realm where abstract mathematical models collide with tangible substances to reveal the hidden mechanisms driving our material world.

On Gist.Science, we process every new preprint in this category directly from arXiv to make these discoveries accessible to everyone. Whether you are a seasoned expert or a curious reader, you will find both plain-language explanations and detailed technical summaries for each paper. Below are the latest contributions from the community pushing the boundaries of physical chemistry.

Donnan equilibrium in charged slit-pores from a hybrid nonequilibrium Molecular Dynamics / Monte Carlo method with ions and solvent exchange

This paper utilizes a hybrid nonequilibrium molecular dynamics/Monte Carlo method (H4D) to demonstrate that the linearized Poisson-Boltzmann theory can accurately predict Donnan equilibrium in highly charged slit-pores if renormalized surface charge densities are used, while also showing that explicit solvent effects are minimal in the dilute limit compared to the limitations of charge renormalization.

Jeongmin Kim, Benjamin Rotenberg2026-02-10🔬 cond-mat

Reducing Weighted Ensemble Variance With Optimal Trajectory Management

This paper demonstrates that applying an optimal parameterization strategy—which uses estimated local mean first passage times to guide trajectory pruning and replication—significantly reduces the variance and improves the reliability of weighted ensemble simulations for complex, high-dimensional molecular folding processes.

Won Hee Ryu, John D. Russo, Mats S. Johnson, Jeremy T. Copperman, Jeffrey P. Thompson, David N. LeBard, Robert J. Webber, Gideon Simpson, David Aristoff, Daniel M. Zuckerman2026-02-10🔬 physics