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.

Confinement-controlled Water Engenders High Energy Density Electrochemical-double-layer Capacitance

This study demonstrates that leveraging the unique dielectric anomalies of water under nano-confinement at carbon-based interfaces enables the creation of a high-energy-density, electrolyte-free "water-only" electrochemical double-layer capacitor that rivals existing batteries and supercapacitors while offering a sustainable energy storage solution.

Svetlana Melnik, Alexander Ryzhov, Alexei Kiselev, Aleksandra Radenovic, Tanja Weil, Keith J. Stevenson, Vasily G. Artemov2026-03-26🔬 cond-mat

Elucidating contact electrification mechanism of water

This study elucidates the mechanism of water's contact electrification by demonstrating that pH-dependent contact potential differences at junctions of aqueous interfaces with varying ion adsorption energies drive longitudinal charge transfer, thereby determining the charge polarity and magnitude of the open water surface.

Vasily Artemov, Laura Frank, Roman Doronin, Philipp Stärk, Alexander Schlaich, Anton Andreev, Thomas Leisner, Aleksandra Radenovic, Alexei Kiselev2026-03-26🔬 cond-mat

Bridging chemistry and Gaussian boson sampling: A photonic hierarchy of approximations for molecular vibronic spectra

This paper establishes a photonic hierarchy of approximations linking theoretical chemistry models to Gaussian boson sampling, demonstrating that for certain molecules like formic acid, simpler sampling from multiple coherent states under the linear coupling approximation can outperform full GBS simulations.

Jan-Lucas Eickmann, Kai-Hong Luo, Mikhail Roiz, Jonas Lammers, Simone Atzeni, Cheeranjiv Pandey, Florian Lütkewitte, Reza G. Shirazi, Fabian Schlue, Benjamin Brecht, Vladimir V. Rybkin, Michael Stef (…)2026-03-26🔬 physics.optics

Benchmarking Universal Machine Learning Interatomic Potentials for Supported Nanoparticles: Decoupling Energy Accuracy from Structural Exploration

This paper benchmarks universal machine learning interatomic potentials (uMLIPs) against a domain-specific model for supported Cu/Al2_2O3_3 nanoparticles, finding that while uMLIPs like MACE-OMAT and MatterSim-v1.0.0-1M can effectively identify stable structures and reproduce molecular dynamics trends without fine-tuning, their significantly higher computational cost remains a limiting factor for large-scale simulations.

Jiayan Xu, Abhirup Patra, Amar Deep Pathak, Sharan Shetty, Detlef Hohl, Roberto Car2026-03-26🔬 cond-mat.mtrl-sci

Quantum-classical dynamics of Rashba spin-orbit coupling

This paper introduces and validates the "koopmon" method, a novel quantum-classical Hamiltonian model based on Koopman wavefunctions that successfully captures correlation effects and accurately reproduces fully quantum dynamics in Rashba spin-orbit coupling systems, outperforming conventional Ehrenfest approaches particularly in orbital dynamics and harmonic potential scenarios.

Paul Bergold, Giovanni Manfredi, Cesare Tronci2026-03-26🔬 cond-mat.mes-hall

Application of the aperiodic defect model to a negatively charged monovacancy in phosphorene

This paper applies the aperiodic defect model (ADM) to calculate the benchmark formation and excitation energies of a negatively charged monovacancy in phosphorene, demonstrating its ability to provide highly accurate, systematically improvable results by avoiding spurious interactions and enabling high-level molecular quantum chemistry methods.

Charlotte Rickert, Lily Barta, Ernst-Christian Flach, Daniel Kats, Denis Usvyat2026-03-26🔬 physics